Longitudinal Barriers
| Barrier Terminals and Crash Cushions |
Bridge Railings |
Longitudinal Barriers and Miscellaneous Items
Recently posted Acceptance Letters are marked with an asterisk (*).
Revised Monday, February 25, 2008
| Code | Date | 350/Mash | Manufacturer | Device Description | View PDF | Text Version |
| 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 | (195 KB) |
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| B-167* | 2/24/2008 | 350 | Nucor Steel | Four-cable Nucor Wire Rope Barrier System TL-4 | (1.26 MB) |
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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-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-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-153 | 1/17/2007 | 350 | David Hubbell | Aesthetic weak-post timber rail | (1.92 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-150 | 10/27/2006 | Gregory Highway Products | Gregory Mini-Spacer (GMS) for 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-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-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-137C* | 7/12/2006 | 350 | Gibraltar | Four point anchorage to 4 cable barrier | (478 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-134C | 11/21/2007 | 350 | Energy Absorption Systems | Vulcan Gate | (3.52 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 | 2/15/2005 | 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-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 Dept. 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-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 | (41 Kb) |
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| 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-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-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-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-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-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-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-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) | (259 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 | No PDF version is available | No Text version is available | |
| 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-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-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-40 | 8/27/1997 | J. Duckett, Barrier Systems | Narrow QuickChange Moveable Barrier | (630 kb) |
No Text version is available | |
| 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-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 | 1/29/96 2/7/97 |
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-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 | No PDF version is available | No Text version is available | |
| 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. | No PDF version is available | 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 | 6/7/89 6/89 6/7/89 6/7/89 |
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 | |
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