U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Recently posted Eligibility Letters are marked with an asterisk (*).
Revised Thursday, October 13, 2016
| Code | Date | 350/MASH | Manufacturer | Device Description | View PDF | Text Version |
|---|---|---|---|---|---|---|
| B-260 | 6/6/2016 | MASH | HDOT | Typical Cement Rubble Masonry (CRM) Guardrail Wall |  (738 KB) |
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| B-259 | 5/6/2016 | MASH | CalTrans | Type 732SW Bridge Rail | (702 KB) |
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| B-258 | 2/10/2016 | MASH | Indiana DOT | Indiana Anchored Temporary Concrete Barrier | (3.64MB) |
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| B-256 | 12/18/2015 | MASH | MwRSF | Trailing-End Anchorage for 3 I" Tall Guardrail | (3.25 MB) |
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| B-255A | 12/23/2015 | MASH | MwRSF | Low-Deflection Portable Concrete Barrier Version II | (3.45 MB) |
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| B-255 | 12/23/2015 | MASH | MwRSF | Low-Deflection Portable Concrete Barrier Version I | (3.22 MB) |
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| B-252 | 4/20/2016 | MASH | KSI Blobal Australia | KSI Global Safety Roller roadside and median barrier | (2.20 MB) |
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| B-251 | 7/11/2014 | MASH | Stongstown B&K | Portable Concrete Barrier (PCB) Deflection Reducing Retrofit | (683 KB) |
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| B-250 | 5/20/2014 | MASH | XavierC, LLC | Non Blocked BMS2-TL3 Single Steel Guardrail | (3.37 MB) |
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| B-249 | 3/27/2014 | MASH | Texas A&M Transpportation Institute | Gravix Barrier/ Retaining Wall System | (1.29 MB) |
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| B-248 | 3/27/2014 | 350 | Trinity Highway Products, LLC | Modified Thrie Beam Blockout | (902 KB) |
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| B-246A | 4/1/2016 | MASH | Trinity | Retro-Rail Guardrail Modification | (2.08 MB) |
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| B-246 | 3/11/2014 | MASH | Trinity Highway Products | TL3 Retro-Rail® | (2.49 MB) |
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| B-245 | 12/17/2013 | MASH | Hill and Smith, Ltd. | Brifen Wire Rope Safety Fence O-Post | (3.25 MB) |
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| B-243A | 12/18/2015 | MASH | MwRSF | Non-Blocked Steel-Post MGS for Use on Wire-Faced, MSE Walls | (1.54 MB) |
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| B-243 | 9/6/2013 | MASH | Midwest Roadside Safety Facility | 31 Inch Non-Blocked Midwest Guardrail System (MGS) | (98 MB) |
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| B-242 | 5/13/2013 | 350 | Maine Department of Transportation (MEDOT) | Permanent Bridge Rail | (829 KB) |
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| B-241 | 6/5/2013 | MASH | Minnesota DOT | 31-inch W-Beam Guardrail on a Low-Fill Box Culvert | (673 KB) |
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| B-240 | 11/8/2012 | MASH | Texas Department of Transportation | 31 inch Midwest Guardrail System with 8 inch blockout | (749 KB) |
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| B-239 | 11/1/2012 | MASH | Memo To NY Division | New York State Temporary | (625 KB) |
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| B-236 | 5/30/2012 | MASH | MWRSF | Wood Post Option for MGS Transition | (1.19 MB) |
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| B-235 | 7/9/2012 | 350 | CalTrans | Low Profile Barrier | (653 KB) |
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| B-233 | 6/7/2013 | MASH | Delta Bloc International | Precast Concrete Barrier System | (1.60 MB) |
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| B-232A | 11/30/2012 | MASH | Trinity Highway Products | CASS S3 MASH TL-4 Cable Barrier System | (659 KB) |
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| B-232 | 5/4/2012 | MASH | Trinity Highway Products | TL-3 CASS S3 on 1:4 slopes | (726 KB) |
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| B-231 | 1/31/2012 | MASH | MWRSF | TL-3 MGS Transition to Thrie Beam | (756 KB) |
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| B-230A | 3/27/2014 | 350 | MwRSF | MGS with SYP posts | (1.06 MB) |
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| B-230 | 1/12/2012 | MASH | MWRSF | TL-3 MGS with White Pine Posts | (756 KB) |
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| B-229 | 2/6/2012 | MASH | Ingal Civil Products | TL-3 EZY-Guard Weak Post W-beam | (1.05 KB) |
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| B-228 | 12/19/2011 | MASH | MWRSF | 31 in Midwest Guardrail System (MGS) Bridge Rail | (859 KB) |
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| B-227 | 1/6/2012 | 350 | Washington State DOT | TL-3 High Tension Generic Cable | (766 KB) |
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| B-226 | 11/18/2011 | MASH | Conti / PennState Univ. | TL-3 Half Shape NJ Barrier Bolted to Deck | (1.19 MB) |
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| B-225 | 11/17/2011 | MASH | Washington State DOT | Single Slope Concrete Barrier Placed in Front of Steep Slope | (653 KB) |
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| B-224 | 12/23/2011 | 350 | Massachusetts / Texas | TL-2 Texas T-401 Bridge Rail | (457 KB) |
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| B-223 | 8/22/2011 | 350 | Armorflex | TL-2 Armorzone Barrier and Terminal | (115 KB) |
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| B-222 | 1/27/2012 | 350 | 1/27/12 Armorflex | TL-4 Armorwire Barrier | (2.41 MB) |
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| B-221 | 5/17/2011 | MASH | Midwest Roadside Safety Facility | TL-3 Upstream Anchorage for F-shape Temporary Concrete Barrier | (5.49 MB) |
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| B-220 | 5/3/2011 | 350 | Hill & Smith. Inc. | Zoneguard, Portable Steel Barrier Expansion Joint Units | (1.45 MB) |
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| B-219 | 4/4/2011 | 350 | Pennsylvania Department of Transportation | W6 x 8.5 Steel Guiderail Post over Ground Structures | (486 KB) |
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| B-218 | 3/29/2011 | 350 | Louisiana Department of Transportation and Development | F-Shape Reinforced Concrete Barrier with Slotted Drain Holes | (168 KB) |
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| B-217 | 3/30/2011 | 350 | Armorflex International Ltd. | Armorflex ORION Steel Barrier for Standard and Low Deflection | (3.92 MB) |
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| B-216 | 3/10/2011 | MASH | Cumberland Barrier, Inc. | Emergency Median Access Barrier System (EMA) | (439 KB) |
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| B-215 | 2/10/2011 | MASH | Midwest Roadside Safety Facility | Free Standing F-Shaped Temporary Concrete Barrier System | (552 KB) |
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| B-214 | 6/10/2011 | MASH | Midwest Roadside Safety Facility | Thrie Beam Transition to Concrete Barrier | (552 KB) |
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| B-213 | 12/22/2010 | 350 | Varley and Gulliver Limited | Proprietary VGAN 300 Aluminum Permanent Bridge Barrier | (939 KB) |
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| B-212 | 6/10/2011 | MASH | Midwest Roadside Safety Facility | Midwest Guardrail System | (683 KB) |
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| B-211A | 6/10/2011 | 350 | MWRSF | TL-3 MGS Adjacent to 2:1 slope | (139 KB) |
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| B-211 | 6/10/2011 | MASH | Midwest Roadside Safety Facility | Midwest Guardrail System placed adjacent to 2:1 Fill Slope | (1.56 MB) |
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| B-209 | 11/10/2010 | 350 | Louisiana Department of Transportation and Development | Test Level 2 (TL-2) T-Intersection (Short Radius) Guardrail System | (117 KB) |
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| B-208 | 12/29/2010 | 350 | Volkmann and Rossbach | VarioGuard "C" Freestanding Barrier | (467 KB) |
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| B-207 | 7/13/2010 | 350 | Texas Transportation Institute | Modified Ohio DOT (ODOT) Deep Beam Bridge Railing (Guardrail Barrier) | (2.37 MB) |
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| B-206 | 4/16/2010 | 350 | Louisiana DOT | 12ft Pinned PCB | (567 KB) |
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| B-205 | 12/7/2010 | 350 | California DOT | CRMcrete Weed Barrier | (408 KB) |
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| B-204 | 4/16/2010 | 350 | MWRSF | MGS Median Barrier | (96 KB) |
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| B-203 | 11/18/2010 | 350 | GSI High Tension Cable LP | Four Cable Transition to W-Beam Guardrail | (371 KB) |
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| B-202 | 4/16/2010 | 350 | MWRSF | Rough Stone Masonry Guardwall | () |
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| B-201A | 4/1/2016 | NCHRP350 | Trinity | Vulcan® Gate Modification | (513 KB) |
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| B-201 | 1/12/2010 | 350 | EASI | Vocan New Hinge | (210 KB) |
No Text version is available |
| B-200 | 1/28/2010 | 350 | MWRSF | WV Steel BR for Nail Laminated Deck | (6.67 MB) |
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| B-198 | 1/12/2010 | MASH | MWRSF | West Virginia TL-1 Timber Curb-Type Bridge Barrier. | (2.41 MB) |
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| B-196 | 9/9/2009 | 350 | TrafFix Devices | Water Wall with internal cables TL-1, TL-2, and TL-3 | (831 KB) |
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| B-195 | 9/18/2009 | 350 | EASI | SSG-200 Security Barrier SS K-12 Soft Stop TL-2 | (542 KB) |
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| B-194 | 8/21/2009 | 350 | Caltrans | California Type 90 Concrete Bridge Rail TL-4 | (10 KB) |
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| B-193 (REVISED) | 7/27/2009 | 350 | Nucor Steel Marion | Nu-Cable 4 Cable System on 1V:4H TL-3 | (929 KB) |
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| B-192 | 5/29/2009 | 350 | BWW Enterprises | Diamond Block TL-3 | (143 KB) |
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| B-191 | 3/18/2010 | 350 | MWRSF | Modified 3 cable adjacent to steep slope | (4.42 MB) |
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| B-190 | 3/31/2009 | MASH | Bexar Concrete | CTB with Quick Bolt Connection | (197 KB) |
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| B-189 | 3/20/2009 | MASH | MWRSF | MGS over Low Fill Culverts | (643 KB) |
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| B-187 | 2/13/2009 | 350 | MWRSF | Transition from MGS to Asymmetrical Thrie Beam TL-3 | (383 KB) |
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| B-186 | 8/3/2009 | 350 | NUCOR Steel Marion | NU-Guard Posts mixed in Strong Post Guardrail TL-3 | (424 KB) |
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| B-185 | 12/8/2008 | 350 | NUCOR Steel Marion | NU-Guard 27 -- varying w-beam heights | (57.3 KB) |
No Text version is available |
| B-184A | 8/3/2009 | 350 | Nucor Steel Marion | NU-Cable- 20 foot post spacing TL-4 | (184 KB) |
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| B-184 | 12/9/2008 | 350 | NUCOR Steel Marion | NU-Cable -- New Hanger for TL-4 | (217 KB) |
No Text version is available |
| B-183 | 11/26/2008 | 350 | NUCOR Steel Marion | NU Cable -- plastic or steel sockets | (229 KB) |
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| B-182 | 11/14/2008 | 350 | MWRSF | Concrete Median Barrier meeting head ejection criteria | (1.10 MB) |
No Text version is available |
| B-181 | 7/28/2008 | 350 | Western Federal Lands | Random Rubble Cavity Wall -- Aesthetic Barrier | (1.05 MB) |
No Text version is available |
| B-180 | 9/8/2008 | 350 | MWRSF | CMB Tiedowns and Transitions | (2.25 MB) |
No Text version is available |
| B-179 | 7/11/2008 | 350 | Energy Absorption, Inc | TL-1 Triton Water Filled Barrier | (398 KB) |
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| B-178 | 6/5/2008 | MASH & 350 | Mobile Barriers, LLC | Mobile Barriers MBT-1 @ TL-2 & TL-3 | (2.38 MB) |
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| B-177 | 7/16/2007 | 350 | TGS Trinity Industries | Trinity Guardrail Systems (T-31 and T-39 in both US and SI panels and post spacings.) | (826 KB) |
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| B-176C | 6/1/2016 | MASH | Hill & Smith | Zoneguard (Concrete) | (1 MB) |
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| B-176B | 6/1/2016 | MASH | Hill & Smith | Zoneguard (Asphalt) | (1.14 MB) |
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| B-176A | 7/17/2008 | MASH | Hill and Smith | Zoneguard MASH | (361 KB) |
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| B-176 | 6/27/2008 | 350 | Hill and Smith | Zonguard portable steel barrier | (138 KB) |
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| B-175 | 6/28/2008 | 350 | MWRSF | MGS with round DougFir, PonderosaPine, SYPine | (1.26 MB) |
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| B-174 | 4/16/2008 | 350 | Monroeville Industrial Molding | Composite blockouts 6 and 12 | (592 KB) |
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| B-173 | 3/28/2008 | 350 | Barrier Systems, Inc. | ArmorGuard Barrier (Formrely SafeGuard) | (3.94 MB) |
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| B-171 | 4/16/2008 | 350 | Colorado DOT | F-Shaped CMB | (524 KB) |
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| B-170B | 9/14/2009 | 350 | South Carolina Department of Transportation | Temporary Concrete Barrier Wall and Anchorage TL-3 | (435 KB) |
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| B-170A | 2/20/2009 | 350 | South Carolina Department of Transportation | Temporary Concrete Barrier Wall and Anchorage | (51 KB) |
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| B-170 | 4/22/2008 | 350 | South Carolina DOT | Anchorage for precast barriers | (71.4 KB) |
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| B-169 | 1/24/2008 | 350 | Easi-Set Industries | JJ Hooks on 20 ft Kentucky CMB | (59.8 KB) |
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| B-168 | 2/2/2008 | 350 | Mac Ray MassHighways | Annisquam River Bridge Rail | No PDF version is available | |
| B-167 | 2/24/2008 | 350 | Nucor Steel | Four-cable Nucor Wire Rope Barrier System TL-4 | (368 KB) |
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| B-166 | 12/21/2007 | 350 | Anro Products Inc. | Omni products, guardrail plastic spacer block | (266 KB) |
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| B-165 | 6/3/2008 | Malcolm H. Ray | MDS-4 and MDS-5 Steel Barriers | (1.89 MB) |
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| B-164 | 10/30/2007 | 350 | Barrier Connection LLC | F-Shape portable concrete barrier wall | (513 KB) |
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| B-163 | 8/30/2007 | 350 | S.I. Story Lumber Co. | TimBarrier StreetGuard Plus | (709 KB) |
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| B-162B | 6/27/2008 | 350 | NUCOR MARION Steel | N/A | (393 KB) |
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| B-162 | 9/11/2007 | 350 | Nucor Marion | 31 Nucor steel strong post 31 guardrail system | (545 KB) |
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| B-161 | 7/3/2007 | 350 | NYSDOT | Generic 4-strand cable barrier system | (849 KB) |
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| B-160 | 5/8/2007 | 350 | Barrier Systems | BarrierGuard 800 (Variable Length Barrier) | (0.98 MB) |
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| B-159 | 5/8/2007 | 350 | Barrier Systems | BarrierGuard 800 (Gate of Hwy. Care) | (987 KB) |
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| B-158 | 5/8/2007 | 350 | Barrier Systems | BarrierGuard 800 (minimum deflection system) | (2.25 MB) |
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| B-157 | 4/23/2007 | 350 | Trinity Highway Products | CASS TL-4 Cable Barrier system & terminal | (617 KB) |
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| B-156 | 3/21/2007 | 350 | Gregory Industries Inc. | GMS-TB Guardrail System | (2.06 Mb) |
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| B-155 | 3/8/2007 | 350 | Corpacero | HDPE Spacer Block, TL-3 | (366 KB) |
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| B-154 | 1/23/2007 | 350 | Perini Corporation | ESB Safety-shape Steel Bridge Rail | (516 KB) |
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| B-153B | 2/6/2013 | 350 | Atlanticum Bridge Corp. | NatureRail Aesthetic Barrier with various wood species | (10 KB) |
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| B-153A | 10/6/2011 | 350 | Atlanticum Bridge | TL-2 NatureRail Aesthetic Barrier | (366 KB) |
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| B-153 | 1/17/2007 | 350 | David Hubbell | Aesthetic weak-post timber rail | (1.92 MB) |
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| B-152 | 3/27/2008 | 350 | Permatile Concrete Prod [Mis labeled as B-151] | Revision of FHWA acceptance to Include shorter segments of TCB | (1.52 MB) |
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| B-151 | 11/21/2006 | Wyoming DOT | W-beam to thrie beam transitions to thrie beam transitions | (1.23 MB) |
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| B-150C | 11/19/2010 | Gregory Highway Products | Gregory Mini Spacer (GMS) W-Beam Guardrail | (146 KB) |
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| B-150B | 7/16/2008 | 350 | Gregory Highway Products | GMS Barrier with 12 ft 6 inch post spacing | (134 KB) |
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| B-150A | 3/26/2008 | Mash | Gregory Highway Products | GMS roadside and median Guardrail to MASH08 | (1.35 MB) |
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| B-150 | 10/27/2006 | Gregory Highway Products | Gregory Mini-Spacer (GMS) W-beam Guardrail | (202 KB) |
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| B-149 | 5/19/2006 | Battelle Memorial Institute | 50-inch tall NJ barrier @ TL-3 | (1.76 MB) |
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| B-148 | 6/2/2006 | Trinity | T-39 Thrie-beam guardrail @ TL-4 | (1.99 MB) |
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| B-147A | 6/16/2006 | Gibraltar | Gibraltar cable to W-beam transition | (229 KB) |
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| B-147 | 5/8/2006 | Various | Cable to Metal-beam guardrail transitions | (1.39 MB) |
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| B-146 | 7/17/2008 | 350 | New England Transp. Consort. | Transitions for 3 NETC bridge rails | (5.07 MB) |
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| B-145 | 4/6/2006 | Nebraska Department of Roads | Test Level 5 (TL- 5) Bridge Rail | (0.98 MB) |
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| B-144 | 3/10/2006 | LifeNet Softwalls, LLC | Recyled Tire Barrier | (1.69 MB) |
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| B-143 | 2/9/2006 | Wyoming DOT | Box-beam transition to concrete | (503 KB) |
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| B-142 | 1/12/2006 | Composite Structural Design, LLC | Steel roadside barrier @ TL-5 (Max-Rail) | (604 KB) |
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| B-141F | 10/1/2010 | Trinity's Cable Safety System (CASS S3 4:1) | Four cable median and roadside barrier system | (478 KB) |
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| B-141E | 2/20/2009 | 350 | Trinity Industries | CASS with C-Channel posts | (1.24 MB) |
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| B-141D | 3/19/2009 | 350 | Trinity Industries | CASS of 141C on 6:1 slopes or flatter | (1.25 MB) |
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| B-141C | 11/14/2008 | 350 | Trinity Industries | CASS on 4:1 slope to 350 REVISED | (51 KB) |
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| B-141B | 5/8/2006 | Trinity | TL-3 CASS w/ 32.5-foot post spacing | (711 KB) |
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| B-141A | 5/2/2006 | Trinity | TL-3 CASS w/ driven posts at 20-foot spacing | (70 KB) |
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| B-141 | 11/17/2005 | Trinity Highway Safety Products, Inc. | CASS TL-3 and CAS TL-4 I-post designs | (824 KB) |
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| B-140 | 11/3/2005 | Trinity Highway Safety Products Division | T-31 Strong-post W-beam @ TL-3 | (1.02 MB) |
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| B-139 | 8/10/2005 | Battelle Memorial Institute | Ohio TL-3 W-beam rail and transition | (669 KB) |
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| B-138 | 8/4/2005 | Midwest Roadside Safety Facility | TL-2 & TL-4 railings/transistions for timber bridge decks | (432 KB) |
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| B-137D | 2/8/2008 | 350 | Gibraltar | Four point anchorage to 4 cable barrier | (488 KB) |
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| B-137C (HSSD) | 1/8/2008 | 350 | Gibraltar | Revised anchor design (4 archors) | (7.99 KB) |
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| B-137C (HSA) | 7/12/2006 | 350 | Gibraltar | 4:1 Slope | (308 KB) |
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| B-137B | 4/3/2006 | Gibraltar | Alternative Post Spacings | (695 KB) |
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| B-137A1 | 10/27/2006 | Gibraltar | 4-cable barrier @ TL-4 | (36 KB) |
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| B-137A | 7/13/2005 | Gibraltar | Gibraltar cable barrier @ TL-4 | (245 KB) |
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| B-137 | 6/13/2005 | Gibraltar | Gibraltar cable barrier @ TL-3 | (241 KB) |
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| B-136 | 5/18/2005 | CYRO Industries, Inc. | PARAGLAS noisewall on TL-4 concrete barrier | (1.26 MB) |
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| B-135 | 5/26/2005 | Midwest Roadside Safety Facility | TL-3 timber rubrail for MnDOT noise wall | (427 KB) |
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| B-134D | 8/29/2008 | 350 | Energy Absorption, Inc. | TL-4 Vulcan | (11.4 KB) |
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| B-134C (2008) | 7/28/2008 | 350 | Energy Absorption Systems, Inc. | (2008) 12M Vulcan Barrier and Vulcan Barrier Anchor System | (2.58 MB) |
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| B-134C (2007) | 11/21/2007 | 350 | Energy Absorption Systems | (2007) Unanchored Vulcan, Vulcan-to-CMB Transition & Hinge | (3.43 MB) |
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| B-134A | 11/17/2005 | Energy Absorption Systems, Incorporated | Transition designs for Vulcan barrier | (476 KB) |
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| B-134 | 2/14/2005 | Energy Absorption Systems, Inc. | Vulcan temporary steel barrier at TL-3 | (983 KB) |
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| B-133 | 3/1/2005 | Midwest Roadside Safety Facility | Midwest Guardrail System (MGS) | (1590 KB) |
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| B-132 | 12/28/2004 | Valentine & Company | Aluminum truss-core F-shape Bridge Rail | (1.32 MB) |
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| B-131A* | 7/28/2016 | 350 | BarrierGuard 800 | Longitudinal Barrier | (476 KB) |
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| B-131 | 11/30/2004 | Barrier Systems, Inc. | BarrierGuard 800 temporary steel barrier @ TL-4 | (553 KB) |
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| B-130 | 11/30/2004 | TrafFix Devices, Inc | TrafFix Water Wall water-filled plastic barrier @ TL-1 | (179.KB) |
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| B-129 | 11/1/2004 | Barriers USA, Inc. | Guardliner water-filled plastic barrier w/W-beam @ TL-2 | (584 KB) |
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| B-128 | 8/24/2004 | CalTrans | ST20S steel post & beam bridge rail @ TL-4 | (873 KB) |
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| B-127 | 6/18/2004 | NYSDOT | TL-4 box-beam transition designs | (100 KB) |
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| B-126 | 3/30/2004 | Nebraska Department of Roads | Concrete Post & Beam Railing @ TL-4 | (576 KB) |
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| B-125 | 3/19/2004 | Safety Barriers, Inc. | SB-1-TL water-filled barrier @ TL-3 | (843 KB) |
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| B-124 | 12/9/2003 | Creative Pultrusions,Inc. | Composite Thrie-beam (SuperRail) @ TL-3 | (1.06mb) |
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| B-123 | 3/12/2004 | Composite Structural Design, LLC | Temporary steel bridge rail @ TL-5 | (134 KB) |
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| B-122 | 10/2/2003 | Midwest Roadside Safety Facility | Bolt-down System for F-shape on bridge deck @ TL-3 | (1.44mb) |
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| B-121 | 7/28/2003 | Oregon Department of Transportation | Oregon 2-tube ped/bike rail @ TL-4 | (128 Kb) |
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| B-120 | 5/19/2003 | Midwestern Wholesalers, Inc. | narrow wood offset block | (100 Kb) |
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| B-119B | 8/28/2003 | Trinity Highway Safety Products Division | 3-cable rail (posts on 2-m centers) @ TL-3 | (21kb) |
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| B-119A | 5/15/2003 | Trinity Industries | 3-cable rail (posts on 5-m centers) @ TL-3 | (287Kb) |
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| B-119 | 5/13/2003 | Trinity Industries | 3-cable rail (posts on 3-m centers) @ TL-3 | (298Kb) |
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| B-118 | 4/22/2003 | Oregon DOT | 3-Tube Bridge Rail @TL-4 | (355Kb) |
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| B-117 | 9/12/2003 | University of Nebraska - Lincoln | Steel H-section Barrier for temporary use on Bridge Decks | (505kb) |
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| B-116 | 3/27/2003 | Midwest Roadside Safety Facility | low concrete bridge rail @ TL-2 | (70 Kb) |
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| B-115 | 8/12/2003 | University of Florida | FDOT Portable Concrete Curb @ TL-2 | (96 Kb) |
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| B-114A | 6/13/2016 | 350 | NPCG LLC | Welch Guardrail Blockout | (693 KB) |
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| B-114 | 3/27/2003 | Welch Products, Inc. | recycled rubber offset block | (58 Kb) |
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| B-113 | 7/10/2003 | REMCON Plastics Incorporated | Water-filled Longitudinal Barrier @ TL-2 | (307kb) |
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| B-112 | 3/14/2003 | Midwest Roadside Safety Facility | Steel strap tie-down system for PCB on bridge decks @ TL-3 | (55 Kb) |
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| B-111 | 2/11/2003 | Creative Building Products | Water Filled Plastic Barrier @ TL-2 | (394 Kb) |
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| B-110 | 12/20/2002 | Caltrans Materials Engineering and Testing Services | Texture Guidelines for SS and Vertical Concrete Barriers | (929 Kb) |
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| B-109B | 3/17/2004 | Burkett Molding, Inc. | Modified plastic block (P-Block) for use w/ strong post guardrail | (183 KB) |
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| B-109A | 8/29/2003 | Interstate Timber Products Co. | Recycled Plastic Block for Strong Round-Post W-beam Guardrail | (42.2kb) |
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| B-109 | 11/7/2002 | Interstate Timber Products Co. | Plastic block for strong-post w-beam | (72 Kb) |
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| B-108 | 11/4/2002 | Barrier Systems, Inc. | Temporary steel barrier @ TL-2/TL-3 | (5.2 Mb) |
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| B-107 | 9/5/2003 | ANRO Timber Products, Incorporated | Recycled Plastic Blockout for TL-3 W-beam Guardian | (28.4kb) |
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| B-106 | 9/5/2002 | Caltrans | Thrie-beam transition @TL-4 | (376 Kb) |
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| B-105 | 9/5/2002 | Nebraska Department of Roads | Thrie-beam transition @ TL-3 | (854 Kb) |
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| B-104 | 7/17/2002 | Pennsylvania Department of Transportation | Concrete parapet w/steel rail @ TL-5 | (1.38 MB) |
No Text version is available | |
| B-103 | 7/1/2002 | Project Back to EDEN | Recycled Rubber Blockout | (91 Kb) |
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| B-102 | 7/3/2002 | John Carlo, Inc. | Conditional Acceptance: 20' NJ-shape TCB @ TL-3 | (112 Kb) |
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| B-101 | 7/1/2002 | Rhino Safety Barrier LLC | Water-filled Plastic Barrier @ TL-2 | (492 Kb) |
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| B-100 | 7/1/2002 | Eco-Composites, LLC | Eco-Composites plastic offset block | (416 Kb) |
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| B-99 | 4/30/2002 | Ohio Department of Transportation | Thrie-beam transition to vert. conc. parapet@TL-4 | (354 Kb) |
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| B-98 | 5/10/2002 | North Carolina Department of Transportation | 10-ft NJ barrier w/ triple loops and drop-in pin @ TL-3 | (275 Kb) |
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| B-97C | 6/26/2013 | 350 | Trinity Highway Products | Yodock TL-2 & TL-3 Barrier Rail Kit | (968 KB) |
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| B-97A | 4/4/2008 | 350 | Yodock Wall Co., Inc. | Modified Side Rail Support | (152 KB) |
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| B-97 | 3/27/2002 | Yodock Wall Company, Inc. | Yodock Model 2001M/2001 Plastic Barriers w/ steel tubes @ TL-2/TL-3 | (1.09 Mb) |
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| B-96A | 10/12/2005 | Nucor Steel Marion Inc. | Alternative post design | (768 KB) |
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| B-96 | 8/30/2002 | Marion Steel Company | posts/attachment hardware for 3-strand cable g.r.@TL-3 | (499 Kb) |
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| B-95A | 4/5/2002 | Trinity Industries, Inc. | Alternative post orientation allowed | (50.2 Kb) |
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| B-95 | 2/1/2002 | Trinity Industries, Inc. | O-Post for W-Beam gr @ TL-3 | (236 Kb) |
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| B-94 | 1/24/2002 | NY DOT | 20-ft NJ barrier w/ I-beam connection @ TL-3 | (53 kb) |
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| B-93 | 1/8/2002 | OH DOT | 10' NJ shape barrier w/ pin and loop connections @ TL-3 | (174 kb) |
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| B-92A | 7/1/2002 | Imperial Laminators | Glu-lam Posts/Offset Block Dimensions @ TL-3 | (56 Kb) |
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| B-92 | 11/21/2001 | Imperial Laminators | glu-lam posts and block for w-beam @TL-3 | (52 kb) |
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| B-91 | 11/15/2001 | Aeolian Enterprises, Inc. | Aeolian recycled plastic block @ TL-3 | (50 kb) |
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| B-90 | 8/24/2001 | CalTrans | 4-m long single-slope barrier with double pin&loop connection @ TL-3 | (7 kb) |
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| B-89 | 8/14/2001 | Bijan Kasraie, Consolidated Tire Corporation | Akamite Recycled Tire Blockout @ TL-3 | (70 kb) |
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| B-88G | 8/18/2011 | 350 | SaFence | TL-3 SaFence on 1:4 slope | (368 KB) |
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| B-88F | 12/23/2008 | MASH | Blue Systems / Safence | On 1:4 sloped median MASH-08 | (836 KB) |
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| B-88E | 7/31/2007 | 350 | Safence | TL-4 four cable tensioned barrier | (728 KB) |
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| B-88D | 12/27/2006 | Safence | 3-strand wire rope @ TL-4 | (633 KB) |
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| B-88C | 5/26/2005 | Safence, Incorporated | alternative post (C-post) design | (54 KB) |
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| B-88B | 6/8/2004 | Blue Systems AB | Alternative post spacing/embedment design | (70.KB) |
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| B-88A | 1/28/2004 | Safence, Incorporated | 4-cable median barrier @ TL-3. (Blue Systems AB) | (324 KB) |
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| B-88 | 7/13/2001 | Mats Heinevik, Blue Systems, AB | Safence 350 Wire Rope Barrier @ TL3 | (314 kb) |
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| B-87 | 7/6/2001 | James R. Keaton, Barrier Systems, Inc. | SafeGuard Gate System (SGS) @ TL-3 | (932 kb) |
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| B-86A | 11/21/2001 | OR DOT | 42-inch tall F-shape @ TL-4 | (69 kb) |
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| B-86 | 8/17/2001 | Daniel J. MacDonald, Oregon DOT | 12.5 ft F-shape precast concrete barrier w/a pin and loop connection @ TL-3 | (529 kb) |
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| B-85F | 7/29/2013 | Trinity Industries | King Block for Thrie Beam Guardrail | (494 KB) |
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| B-85E | 5/8/2007 | 350 | Trinity Highway Products | Modified King Block | (450 KB) |
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| B-85D | 3/22/2006 | Trinity | Modified King Block | (269 KB) |
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| B-85C | 1/10/2003 | N/A | N/A | No PDF version is available | |
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| B-85B | 8/28/2002 | TRINITY Industries | Modification to KING block | (40 Kb) |
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| B-85A | 7/10/2001 | Rodney A. Boyd, Trinity Industries, Inc | King Recycled Composite Guardrail offset block @ TL-3 | (13 kb) |
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| B-85 | 6/1/2001 | Rodney A. Boyd, Trinity Industries | King Recycled Composite Guardrail offset block @ TL-3 | (59 kb) |
No Text version is available | |
| B-84 | 1/24/2002 | IN DOT | 10-ft F-shape barrier w/pin&loop connection @ TL-3 | (518 kb) |
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| B-83 | 4/24/2001 | Douglas J. Weiszhar, Minnesota DOT | MN W-beam Transition @ TL-3 | (8 kb) |
No Text version is available | |
| B-82D | 9/9/2010 | Hill & Smith Ltd. | Brifen Wire Rope Safety Fence | (366 KB) |
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| B-82C1 | 4/13/2006 | Hill & Smith Ltd. | Shorter Length 3-cable WRSF @ TL-3 | (39 KB) |
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| B-82C | 5/26/2005 | Hill & Smith Ltd. | 3-cable Brifen WRSF @TL-3 | (162KB) |
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| B-82B1 | 5/9/2006 | Brifen | Brifen WRSF on 1V:4H slope | (1.09 MB) |
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| B-82B | 3/27/2005 | Hill& Smith Ltd. | Brifen WRSF @ TL-4 | (858 KB) |
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| B-82A | 2/27/2003 | BRIFEN USA, Inc | Rescinded "Buy America" provision | (319 Kb) |
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| B-82 | 4/10/2001 | Graham Sharp, Brifen Limited | Brifen Wire Rope Safety Fence @ TL-3 | (319 kb) |
No Text version is available | |
| B-81A | 11/30/2005 | Pennsylvania Department of Transportation | PA W-Beam Transition @ TL-4 | (28.0 KB) |
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| B-81 | 6/26/2001 | Michael M. Ryan, PE, PennDOT | PA W-beam Transition @ TL-3 | (7 kb) |
No Text version is available | |
| B-80C | 6/30/2003 | HALCO, LLC | X44 tubular steel gr post @ TL-3 | (112 Kb) |
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| B-80A | 9/6/2001 | Halco, LLC | X40 tubular steel gr post @ TL-3 | (721 kb) |
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| B-80 | 2/9/2001 | David R. Lewis, HALCO, LLC | X-48 tubular steel gr post @ TL-3 | (389 kb) |
No Text version is available | |
| B-79 | 12/18/2000 | Gary L. Hoffman, Pennsylvania DOT | 12.5' F-shape temporary barrier (w/ plate connection) @ TL-3 | (640 kb) |
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| B-78 | 12/6/2000 | Richard Pratt, Alaska DOT | AK W-beam Transition | (181 kb) |
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| B-77 | 12/6/2000 | Bradley Smith, ConnDOT | ConnDOT W-beam Transition @ TL-3 | (382 kb) |
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| B-76 | 12/6/2000 | D. Smith-Gander, Amity Plastics | Amity Plastic Guardrail Post @ TL-3 | (320 kb) |
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| B-75 | 12/21/2000 | Kaddo Kothman, Road Systems, Inc. | 14-gauge W-beam Guardrail @ TL-3 | (9 kb) |
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| B-74B | 2/1/2002 | Valley Rubber, LLC | Guardrail Block for Round Wood Posts | (39 Kb) |
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| B-74A | 2/5/2001 | Richard Moore, Valley Rubber, LLC | Valley Rubber Guardrail Block | (245 kb) |
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| B-74 | 11/28/2000 | Richard Moore, Valley Rubber | Valley Rubber Guardrail Block | (282 kb) |
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| B-73 | 11/8/2000 | CME Associates, INC. | Stone Cast Aesthetic Barrier Wall @ TL-3 | (198 kb) |
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| B-72 | 11/8/2000 | New York State DOT | 2-, 4-, and 5-Rail Bridge Railing Designs @ TL-4 | (175 kb) |
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| B-71 | 8/17/2000 | James W. Havens, Millennium Plastic Wood, LLC | Recycled Plastic Offset Block | (106 kb) |
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| B-70 | 7/17/2000 | State of Idaho Transportation Department | 20ft long NJ barrier (pin and loop connection) | (1.83mb) |
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| B-69E* | 9/21/2016 | 350 | Lindsay Transportation Solutions | Concrete Reative Tension System (CRTS) and Steel Reative Tension System (SRTS) modifications | (1 MB) |
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| B-69D | 8/18/2011 | Barrier Systems, Inc. | Quickchange Concrete Reactive Tension Barrier System (QMB-CRTS) | (526 KB) |
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| B-69C | 2/25/2008 | 350 | Barrier Systems Inc. | Mod to Variable Length Barrier RTS-QMB | (691 KB) |
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| B-69B | 3/22/2005 | Barrier Systems, Incorporated | limited deflection RTS-QMB | (2083 KB) |
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| B-69A | 7/4/2004 | Barrier Systems, Incorporated | Curved RTS-QMB application | (1715 KB) |
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| B-69 | 6/27/2000 | Barrier Systems, Inc. | Steel Reactive Tension System (SRTS)/Concrete Reactive Tension System (CRTS) | (3.02mb) |
No Text version is available | |
| B-68 | 4/28/2000 | CAMMCO, Inc. | CAMMCO Plastic Guardrail Blockout | (592 kb) |
No Text version is available | |
| B-67 | 3/30/2000 | Georgia Department of Transportation | Temporary Concrete Barrier | (793 kb) |
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| B-66 | 2/10/2000 | Massachusetts Highway Department | Massachusetts Aesthetic Steel Post Bridge Rail | (2268 kb) |
No Text version is available | |
| B-65 | 2/14/2000 | FHWA Memo to Resource Centers, etc. | Acceptance of W-Beam Transition to a Vertical Concrete Parapet | (957 kb) |
No Text version is available | |
| B-64E | 3/18/2003 | NYSDOT | Weak post w-beam median barrier @ TL-3 | (64 Kb) |
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| B-64D2 | 2/12/2004 | Aesthetic bridge rail, barrier, and transition designs | (1156 KB) |
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| B-64D | 4/9/2003 | FHWA field offices | aesthetic roadside barriers & bridge rails | (131 Kb) |
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| B-64C | 4/21/2003 | MwRSF - UN | w-beam application for a 2:1 slope @ TL-3 | (55 Kb) |
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| B-64B | 3/10/2004 | guardrail posts in rock or mowing strips | (110 KB) |
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| B-64sup | 9/12/2005 | Additional generic cable barriers | (304 KB) |
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| B-64A | 11/1/2000 | Pennsylvania DOT | Modified Weak-Post W-beam guardrail @TL-3 | (210 kb) |
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| B-64 | 2/14/2000 | FHWA Memo to Resource Centers, etc. | Nonproprietary Guardrails and Median Barriers | (97 kb) |
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| B-63 | 1/5/2000 | Barrier Systems, Inc. | Quickchange Moveable Barrier (QMB) | (115 kb) |
No Text version is available | |
| B-62 | 12/13/1999 | Gunnar Prefab AB | GPLINK pre-cast Temporary Concrete Barrier | (62 kb) |
No Text version is available | |
| B-61 | 11/22/1999 | Rich Peter, California DOT | K-rail (NJ Barrier) for Semi-permanent Installations | (160 kb) |
No Text version is available | |
| B-60 | 11/16/1999 | Trinity Industries, Inc. | O-rail Corrugated Metal-Beam Guardrail | (69 kb) |
No Text version is available | |
| B-59 | 11/3/1999 | R&P Products | R&P Block for Strong-post W-beam Guardrail | (23 kb) |
No Text version is available | |
| B-58 | 10/8/1999 | Midwest Roadside Safety Facility | Clear-span Nested W-beam Guardrail | (151 kb) |
No Text version is available | |
| B-57 | 10/8/1999 | Aloha Plastic Recycling, Inc. | Recycled Polyethylene Block | (73 kb) |
No Text version is available | |
| B-56B | 9/5/2003 | Structures of Ironwood | Design alternative: rectangular timber rail | (51 Kb) |
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| B-56A | 5/11/2000 | Structures Of Ironwood, L.L.C. | IRONWOOD Guidrail | (113 kb) |
No Text version is available | |
| B-56 | 6/18/1999 | David Hubbell | IRONWOOD Guardrail-aesthetic timber/steel rail | (3960 kb) |
No Text version is available | |
| B-55A | 9/2/1999 | Alaska Department of Transportation | Thrie-Beam Transition to AK Bridge Railing | (1456 kb) |
No Text version is available | |
| B-55 | 5/18/1999 | Steven Bradford, AK DOT & PF | Multi-State bridge rail (2-tube on curb) Alaska | (438 kb) |
No Text version is available | |
| B-54 | 5/18/1999 | Roberto Fonseca-Martinez | Virginia DOT (VDOT) temp.conc.barrier (F-shape) | (192 kb) |
No Text version is available | |
| B-53 | 5/18/1999 | Rich Peter, Caltrans | Type 80SW Bridge Rail Type 80 Bridge Rail | (459 kb) |
No Text version is available | |
| B-52C | 12/20/2012 | MASH | Easi-Set Industries | Concrete Portable Barrier | (2.85 MB) |
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| B-52B | 12/20/2012 | MASH | Easi-Set Industries | Concrete Portable Barrier | (2.85 MB) |
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| B-52A | 12/8/2000 | Easi-Set Industries | 20 ft segments | (6 kb) |
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| B-52 | 3/26/1999 | Easi-Set Industries | J-J Hooks temp. conc. barrier (NJ & F-shapes) | (438 KB) |
No Text version is available | |
| B-51 | 3/26/1999 | David Bailey-Consource | Recycled plastic block for use w/ w-beam g.rail | (5 kb) |
No Text version is available | |
| B-50 | 3/11/1999 | NE Trans. Consortium | NETC 2-Bar (curb mounted) & 4-Bar (sidewalk mounted) Bridge Rails | (5 kb) |
No Text version is available | |
| B-49C | 9/18/2002 | Bryson Products, Inc. | RE-BLOCK:IV plastic blockout | (1 Mb) |
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| B-49B | 2/8/2001 | William D. Bryson, Bryson Products, LLC | Recycled plastic block for use w/ w-beam g.rail @ TL-3 | (5 kb) |
No Text version is available | |
| B-49A | 6/22/1998 | Central Fabricators Inc. | Expanded Material Specifications Accepted | (2435 kb) |
No Text version is available | |
| B-49 | 5/7/1999 | B.Atwood, Central Fab. | Recycled plastic block for use w/ w-beam g.rail | (5 kb) |
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| B-48 | 5/7/1998 | J.M.Essex, EASI | TRITON water-filled temporary barrier | (6 kb) |
No Text version is available | |
| B-47B | 9/4/2001 | Robert L. Wilson, P.E., Texas DOT | Thrie-beam connection to vert. conc. parapet @TL-3 | (146 kb) |
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| B-47A | 5/28/1999 | Midwest Roadside Safety Facility | Conditional Acceptance of Attachment to Vertical Wall | (638 kb) |
No Text version is available | |
| B-47 | 3/6/1998 | Ron Faller, MWRSF | Steel post & wood post Thrie-beam transitions to concrete parapets (two designs) | (399 kb) |
No Text version is available | |
| B-46 | 2/12/1998 | Fracasso, Italy | 3N Double Space Safety Barrier (1180-mm high) | (427 kb) |
No Text version is available | |
| B-45B | 3/8/2002 | California DOT | Single-Slope Fabricated Steel Bridge Rail @ TL-4 | (238 Kb) |
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| B-45A | 3/6/1998 | California DOT | Single slope bridge rail | (1.09 MB) |
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| B-45 | 2/4/1998 | California DOT | Single slope roadside/median barrier-9.1 degrees | (287 kb) |
No Text version is available | |
| B-44 | 1/27/1998 | FHWA memo to field | Report 350 acceptability of various wood and recycled blockouts for w-beam guardrail | (134 kb) |
No Text version is available | |
| B-43 | 10/17/1997 | John Marinelli | Lifetime Lumber Prod. Recycled gr offset block for wood and steel post w-beam | (349 kb) |
No Text version is available | |
| B-42B* | 7/7/2009 | MASH | Rockingham Precast | 12-Foot T-LOC F-Shape Portable Concrete Barrier | (205 KB) |
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| B-42A | 2/20/2009 | 350 | Rockingham precast | Permits 18 and 20 ft long segments | (64 KB) |
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| B-42 | 10/20/1997 | M. Budd, Rockingham Precast | Temporary cmb - F shape w/ slotted tube/T-bar Connection | (563 kb) |
No Text version is available | |
| B-41A | 8/19/2011 | 350, MASH | MWRSF | TL-3 Approach Between F-Shape and PCB | (117 KB) |
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| B-41 | 10/10/1997 | D. Sicking, U of NebraskA | Temporary cmb - F shape w/ pin & loop conn. | (356 kb) |
No Text version is available | |
| B-40B* | 9/21/2016 | 350 | Lindsay Transportation Solutions | Narrow QuickChange Moveable Barrier (QMB) modifications | (803 KB) |
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| B-40 | 8/27/1997 | J. Duckett, Barrier Systems | Narrow QuickChange Moveable Barrier | (630 kb) |
No Text version is available | |
| B-39D | 9/3/2014 | Mondo Polymer | Mondo Polymer Blockout for MGS | (873 MB) |
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| B-39C | 7/29/2013 | MASH | Mondo Polymer | Polymer Blockout for MGS Guardrail | (1.01 MB) |
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| B-39B | 6/24/2002 | Mondo Polymer Technologies | Modified polymer block | (50 Kb) |
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| B-39A | 3/27/2002 | Mondo Polymer Technologies | Modified Polymer Offset Block | (238 Kb) |
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| B-39 | 3/11/1997 | D.Tarrant - Mondo Polymer | Polymer Offset Blocks for w-beam guardrail | (400kb) |
No Text version is available | |
| B-38 | 8/29/1996 | Connecticut DOT | Merritt Parkway Guiderail (Aesthetic) TL-3 | (745 kb) |
No Text version is available | |
| B-37A | 11/18/1999 | K. Mak, TTI | Box-Beam Transistions to WY TL-3 and TL-4 Bridge Railings | (1778 kb) |
No Text version is available | |
| B-37 | 7/1/1996 | Wyoming DOT | DOT 2 Bridge Railings (Steel Post & Rail w/ Curb) (TL-3 and TL-4) | (1014 kb) |
No Text version is available | |
| B-36 | 5/31/1996 | Texas A&M (TTI) | Low-Profile Concrete Barrier for Work Zones | (458 kb) |
No Text version is available | |
| B-35 | 3/27/1996 | Creative Building Products | Plastic Blockout for strong-post W-beam | (334 kb) |
No Text version is available | |
| B-34H | 4/23/2013 | 350 | OTW Safety | MB-350 Water Filled Barrier Modifications | (873 KB) |
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| B-34G | 8/9/2005 | Office the Wall Products, LLC | Product Name Change | (110 KB) |
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| B-34F | 12/11/2003 | Traffic Safety Devices, Inc. | Modification to ROADGUARD barrier | (373 KB) |
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| B-34E | 7/11/2002 | Armorcast Products Company | Modified Guardian Design @TL-3 | (586 Kb) |
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| B-34D | 12/20/2000 | Sam Arnold, Guardian Safety Barrier | Clarification of Guardian Status | (56 kb) |
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| B-34C | 8/5/1998 | Safety Barrier Systems | ROADGUARD - Name change from Guardian Safety Barrier | (401 kb) |
No Text version is available | |
| B-34B | 2/7/1997 | Safety Barrier Systems | Guardian Safety Barrier - Conditional Acceptance Upgraded to Full | (21 kb) |
No Text version is available | |
| B-34A | 11/14/1996 | Safety Barrier Systems | Guardian Safety Barrier | (77 kb) |
No Text version is available | |
| B-34 | 1/29/1996 | Safety Barrier Systems Guardian | Temporary Barrier (Conditional TL-3) (Conditional acceptance upgraded to Full) | (327kb) |
No Text version is available | |
| B-33 | 12/22/1995 | BGFM Assoc | Concrete Safety Shape connection to bridge deck | (196kb) |
No Text version is available | |
| B-32 | 12/8/1995 | Arnold Forest Products | Round Timber Guardrail Posts TL-3 | (421kb) |
No Text version is available | |
| B-31 | 1/19/1995 | R.Faller, U of Nebraska | 5 Railings for timber Bridges | (451kb) |
No Text version is available | |
| B-30 | 1/17/1995 | Safety Barrier Systems Guardian | Water Filled Plastic Barrier | (578kb) |
No Text version is available | |
| B-29D | 8/28/2002 | RAMCO International | Modification to Polylumber block | (58 Kb) |
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| B-29C | 2/11/1999 | New company name | Polylumber Blockouts on Steel Post W-beam | (43 kb) |
No Text version is available | |
| B-29B | 9/6/1995 | RAMCO | Polylumber Blockouts on Steel Post W-beam | (312kb) |
No Text version is available | |
| B-29A | 6/5/1995 | ARW Polywood | Manufacturer of Ramcos blockouts | (120kb) |
No Text version is available | |
| B-29 | 1/9/1995 | RAMCO | Polylumber Blockouts on Wood Post W-beam | (300kb) |
No Text version is available | |
| B-28 | 11/17/1994 | Fracasso, Italy | 3-N Steel Guardrail | (416kb) |
No Text version is available | |
| B-27 | 8/1/1994 | Collins & Aikman Corp. | Recycled Blockout for wood-post guardrail | (343kb) |
No Text version is available | |
| B-26 | 1/7/1994 | Energy Absorption Systems | TRITON end treatments | (94 KB) |
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| B-25B | 4/1/2016 | 350 | Trinity | BarrierGate® | (585 KB) |
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| B-25A | 2/2/2010 | Energy Absorption Systems | Barrier Gate median barrier closure TL-4 | (312 KB) |
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| B-25 | 4/14/1993 | Energy Absorption Systems | Barrier Gate moveable median barrier closure | (231kb) |
No Text version is available | |
| B-24 | 6/16/1993 | Friend Town and Country | Breakaway Mailbox Support for snow areas | No PDF version is available | No Text version is available | |
| B-23 | 12/3/1992 | MGS Innovations | Precast Concrete Barrier (See Number CC-18 for Wyoming Box Beam End Treatment) | No PDF version is available | No Text version is available | |
| B-22 | 12/17/1992 | Ryerson Plastics | Steel Reinforced Recycled Plastic Guardrail Posts | No PDF version is available | No Text version is available | |
| B-21A | 9/27/1994 | (supplement to B-21) | Additional information on application of Triton | (78.3KB) |
No Text version is available | |
| B-21 | 11/27/1992 | Energy Absorption Systems | Triton Water Filled Barrier for Low Speed Applications | (79.7KB) |
No Text version is available | |
| B-20A | 1/4/1993 | Mobil Chemical Company Suppl. | permits use as a blockout on steel posts. | (168kb) |
No Text version is available | |
| B-20 | 9/1/1992 | Mobil Chemical Company "Timbrex" | Recycled Blockouts for use on Wood Strong-Post W-Beam Guardrail | (177kb) |
No Text version is available | |
| B-19 | 5/13/1992 | Nat. Ready Mix Concrete Assn. | Ontario "Tall Wall" Concrete Median Barrier | (72 KB) |
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| B-18 | 5/5/1992 | Pelco Products | PB-5300 Ser. Cast Aluminum Traffic Signal Base. | No PDF version is available | No Text version is available | |
| B-17 | 2/11/1992 | (Minute Memo to Regions) | Constant Slope Concrete Median Barrier. | (6 MB) |
No Text version is available | |
| B-16 | 10/24/1991 | Barrier Systems, Inc. | Quickchange Moveable Median Barrier for use in permanent installations | No PDF version is available | No Text version is available | |
| B-15 | 12/6/1990 | Roadway Safety Services | Dragnet Vehicle Arresting System | (174kb) |
No Text version is available | |
| B-14 | 11/8/1990 | Smith-Midland Corp. | J-hook connection for precast concrete median barriers. | No PDF version is available | No Text version is available | |
| B-13 | 3/26/1987 | TAPCO | V-LOC Mailbox Support System | No PDF version is available | No Text version is available | |
| B-12 | 4/16/1990 | International Barrier Corp. | Revised design of MK-7 Drainage/Obstacle Mod. | No PDF version is available | No Text version is available | |
| B-11 | 12/4/1989 | International Barrier Corp. | MK-7HV Cement-Stabilized Sand Filled Barrier (normal profile IBC barrier) (Experimental) | No PDF version is available | No Text version is available | |
| B-10 | 8/7/1989 | International Barrier Corp. | MK-9 Cement-Stabilized Sand Filled Barrier (low profile IBC barrier) | No PDF version is available | No Text version is available | |
| B-09 | 6/16/1989 | FHWA memo to Region 9 | Yuma County Curved Guardrail (Bridge approach treatment) (Experimental) | No PDF version is available | No Text version is available | |
| B-08 | 6/7/1989 | International Barrier Corp. | Special Assemblies and transitions for the IBC MK-7 sand filled barrier (Operational) | No PDF version is available | No Text version is available | |
| B-07 | 4/19/1989 | The Neel Company | Concrete Barrier Drainage System (operational) | No PDF version is available | No Text version is available | |
| B-06 | 3/29/1989 | Delta Design and Development | Tri-D Breakaway Delineator Post (Operational) | No PDF version is available | No Text version is available | |
| B-05A | 4/9/1996 | Kelken Construction Systems | Extended previous acceptance to F-shape | (143kb) |
No Text version is available | |
| B-05 | 3/14/1989 | L.B.Foster Co | Precast Concrete Bridge Railing (NJ shape) Anchoring System (Operational) | (391kb) |
No Text version is available | |
| B-04 | 2/16/1989 | Michigan D.O.T | Timber Guardrail Posts Specification (Oper.) | No PDF version is available | No Text version is available | |
| B-03 | 7/15/1986 | Barrier Systems, Inc | Series 200 Construction Zone Barrier (Moveable Concrete Safety Shape) (Experimental) | No PDF version is available | No Text version is available | |
| B-02 | 12/26/1985 | International Barrier Corp. | IBC Sand Filled Barrier (MK-7) (Operational) | No PDF version is available | No Text version is available | |
| B-01A | 5/20/1985 | No PDF version is available | No Text version is available | |||
| B-01 | 5/31/1985 | (Memo to Regions) | Modified Thrie Beam Guardrail (Operational) | No PDF version is available | No Text version is available |
