What's New on the TFHRC Web Site
We are committed to providing our visitors with useful and updated information. We invite you to visit this page frequently to see what items have been added or updated on the Turner-Fairbank Highway Research Center Web site.
2009
January
Fact Sheet: Office of Safety R&D, FHWA-HRT-08-025, September 2008 -- posted on January 12, 2009
SafetyAnalyst Brochure, FHWA-HRT-09-023. -- posted on January 9, 2009
RD&T Research Projects -- posted on January 8, 2009
2008
December
Two Low-Cost Safety Concepts for Two-Way Stop-Controlled, Rural Intersections on High-Speed Two-Lane, Two-Way Roadways, FHWA-HRT-08-063
Technical Publications Catalog, October 2007 – September 2008, FHWA-HRT-09-019. -- posted on December 18, 2008
LTPP Newsletter, Fall 2008, Volume 4, Issue 4. -- posted on December 12, 2008
November/December Public Roads is now online. -- posted on December 9, 2008
Chemistry Research Facility Fact Sheet, FHWA-HRT-08-059. -- posted on December 8, 2008
The November 2008 Focus is now online. -- posted on December 2, 2008
November
FHWA R&T Now - November 2008 -- posted on November 28, 2008
FHWA Launches Web Site for Flagship Initiative: Long–Term Bridge Performance Program -- posted on November 4, 2008
October
The October 2008 Focus is now online. -- posted on November 6, 2008
Fact Sheet: Office of Operations Research and Development (R&D), FHWA-HRT-08-030,
August 2008. -- posted on October 23, 2008
September/October Public Roads is now online. -- posted on October 15, 2008
The September 2008 Focus is now online. -- posted on October 8, 2008
September
FHWA R&T Now - September 2008. -- posted on September 30, 2008
New RD&T Organizational Chart. -- posted on September 26, 2008
LTPP Newsletter, Summer 2008, Volume 4, Issue 3. -- posted on September 9, 2008
August
The August 2008 Focus is now online. -- posted on August 29, 2008
July/August Public Roads is now online. -- posted on August 19, 2008
Surrogate Safety Assessment Model and Validation: Final Report, FHWA-HRT-08-051, June 2008. -- posted on August 8, 2008
July
FHWA R&T Now - July 2008. -- posted on July 27, 2008
The July 2008 Focus is now online. -- posted on July 24, 2008
Minimum Retroreflectivity Levels for Blue and Brown Traffic Signs, FHWA-HRT-08-029,
April 2008. -- posted on July 18, 208
Highways of the Future—A Strategic Plan for Highway Infrastructure Research and Development, FHWA-HRT-08-068. -- posted on July 10, 2008
The June 2008 Focus is now online. -- posted on July 7, 2008
Surrogate Safety Assessment Model (SSAM)—Software User Manual, FHWA-HRT-08-050, July 2008. -- posted on July 1, 2008
June
TechBrief: Surrogate Safety Assessment Model (SSAM), FHWA-HRT-08-049, May 2008. -- posted on June 13, 2008
May/June Public Roads is now online. -- posted on June 12, 2008
May
LTPP Newsletter, Spring 2008, Volume 4, Issue 2. -- posted on May 30, 2008
The May 2008 Focus is now online. -- posted on May 28, 2008
TechBrief: Phosphoric Acid as an Asphalt Modifier Guidelines for Use: Acid Type, FHWA-HRT-08-061. -- posted on May 27, 2008
Informational Report on Lighting Design for Midblock Crosswalks, FHWA-HRT-08-053, April 2008. -- posted on May 13, 2008
Compilation and Evaluation of Results From High-Performance Concrete Bridge Projects, Volume II: Appendixes,
FHWA-HRT-05-057, October 2006. -- posted on May 13, 2008
Compilation and Evaluation of Results From High-Performance Concrete Bridge Projects, Volume I: Final Report, FHWA-HRT-05-056, October 2006. -- posted on May 12, 2008
April
The April 2008 Focus is now online. -- posted on April 24, 2008
LTPP Computed Parameter: Moisture Content, FHWA-HRT-08-035, January 2008. -- posted on April 21, 2008
Organizational and Expertise Directory, Spring 2008, FHWA-HRT-08-054. -- posted on April 18, 2008
Safety Evaluation of STOP AHEAD Pavement Markings, FHWA-HRT-08-043, December 2007. -- posted on April 17, 2008
Updated Expertise Directory. -- posted on April 14, 2008
Safety Evaluation of Increasing Retroreflectivity of STOP Signs, FHWA-HRT-08-041, December 2007. -- posted on April 14, 2008
Safety Evaluation of Flashing Beacons at STOP-Controlled Intersections, FHWA-HRT-08-044, April, 2008. -- posted on April 14, 2008
TechBrief: Safety Evaluation of Flashing Beacons at Stop-Controlled Intersections, FHWA-HRT-08-048, April 2008. -- posted on April 8, 2008
TechBrief: Safety Evaluation of Increasing Retroreflectivity of STOP Signs, FHWA-HRT-08-047, March 2008. -- posted on April 8, 2008
TechBrief: Safety Evaluation of STOP AHEAD Pavement Markings, FHWA-HRT-08-045, March 2008. -- posted on April 8, 2008
Safety Evaluation of Installing Center Two-Way Left-Turn Lanes on Two-Lane Roads, FHWA-HRT-08-042, December 2007. -- posted on April 8, 2008
TechBrief: Safety Evaluation of Center Two-Way Left-Turn Lanes on Two-Lane Roads, FHWA-HRT-08-046, March 2008. -- posted on April 3, 2008
Updated Our Research Facility contacts. -- posted on April 3, 2008
March
LTPP Newsletter, Winter 2008. -- posted on March 27, 2008
LTPP Newsletter, Fall 2007. -- posted on March 27, 2008
March/April Public Roads is now online. -- posted on March 26, 2008
The March 2008 Focus is now online. -- posted on March 19, 2008
Development of a Driver Vehicle Module (DVM) for the Interactive Highway Safety Design Model (IHSDM), FHWA-HRT-08-019, November 2007. -- posted on March 17, 2008
Final Results of the 2007 International Contest on LTPP Data Analysis. -- posted on March 10, 2008
Guide for the Participation In the 2008 ASCE-LTPP International Contest on LTPP Data Analysis. -- March 7, 2008
2008 International Contest on LTPP Data Analysis. -- posted on March 7, 2008
Lab Clips, FHWA-HRT-08-022. -- posted on March 5, 2008
February
Shared-Use Path Level of Service Calculator: A User's Guide, FHWA-HRT-05-138 July 2006 -- posted February 21, 2008
Long Term Pavement Performance Project Laboratory Materials Testing And Handling Guide, FHWA-HRT-07-052, September 2007. -- posted on February 15, 2008
The January/February 2008 Focus is now online. -- posted on February 15, 2008
January
LTPP 2007 Year in Review, FHWA-HRT-08-039. -- posted on January 30, 2008
Evaluations of Low Cost Safety Improvements Pooled Fund Study (ELCSI-PFS), Ranked Strategies for Phase III. -- posted on January 24, 2008
Priority Technologies and Innovations 2008 List. -- posted on January 24, 2008
January/February Public Roads is now online. -- posted on January 22, 2008
Evaluations of Low Cost Safety Improvements Pooled Fund Study (ELCSI-PFS), Annual TAC Meeting, 2007. -- posted on January 22, 2008
Evaluations of Low Cost Safety Improvements Pooled Fund Study (ELCSI-PFS), Phase I-III Balloting Results. -- posted on January 22, 2008
Bridge Management Information Systems (BMIS) Laboratory. -- posted on January 22, 2008
Structures Laboratory Fact Sheet, FHWA-HRT-07-060. -- posted on January 3, 2008
Organizational and Expertise Directory, Winter 2007, FHWA-HRT-08-037. -- posted on January 3, 2008
2007
December
The December 2007 Focus is now online. -- posted on December 28, 2007
TechBrief: Multiple Corrosion Protection Systems for Reinforced Concrete Bridge Components, FHWA-HRT-07-044, August 2007. -- posted on December 26, 2007
Organizational and Expertise Directory, Fall 2007, FHWA-HRT-08-021. -- posted on December 21, 2007
November/December Public Roads is now online. -- posted on December 19, 2007
Manual for LS-DYNA Wood Material Model 143, FHWA-HRT-04-097, August 2007. -- posted on December 18, 2007
Laboratory Roadmap updated. -- posted on December 11, 2007
Structures Laboratory Assessment Summary Report updated. -- posted on December 11, 2007
Highway Safety Information Systems Laboratory (HSIS) Assessment Summary Report. -- posted on December 11, 2007
Laboratory Assessment Summary Crash Analysis & Testing Laboratories (NCAC / FOIL). -- posted on December 11, 2007
The November 2007 Focus is now online. -- posted on December 10, 2007
New TFHRC/DOT Shuttle schedule effective 12/10/07. -- posted on December 7, 2007
Strategic Plan for LTPP Data Analysis updated. -- posted on December 6, 2007
Technical Advisory Committee Meeting Notes, June 19-20, 2007 -- posted December 5, 2007
Technical Advisory Committee Meeting Agenda, June 19-20, 2007 -- posted December 5, 2007
Evaluation of Low-Cost Safety Improvements Pooled Fund Study Progress Report, September, 2007 -- posted December 5, 2007
TechBrief: Wind-Induced Vibration of Stay Cables, FHWA-HRT-05-084, July 2007. -- posted on December 3, 2007
Wind-Induced Vibration of Stay Cables, FHWA-HRT-05-083, August 2007. -- posted on December 3, 2007
November
Technical Publications Catalog (October 2006 – September 2007), FHWA-HRT-08-023. -- posted on November 29, 2007
Laboratory Procedure for the Determination of Lime in Hot Mix Asphalt. -- posted on November 20, 2007
Test Method for Detecting the Presence of Phosphoric Acid in Asphalt. -- posted on November 20, 2007
Updates to Research on Recommended Minimum Levels for Pavement Marking Retroreflectivity to Meet Driver Night Visibility Needs, FHWA-HRT-07-059, October 2007. -- posted on November 20, 2007
September/October Public Roads is now online. -- posted on November 6, 2007
October
The October 2007 Focus is now online. -- posted on October 31, 2007
TechBrief: Analysis of an Ultra-High Performance Concrete Two-Way Ribbed Bridge Deck Slab, FHWA-HRT-07-055, October 2007. -- posted on October 25, 2007
Model Minimum Inventory of Roadway Elements—MMIRE, FHWA-HRT-07-046, August 2007. -- posted on October 25, 2007
Hydraulics Laboratory Fact Sheet, FHWA-HRT-07-054. -- posted on October 25, 2007
Turner-Fairbank Highway Research Center Establishes New Office. -- posted on October 18, 2007
Interchange Safety Analysis Tool (ISAT): User Manual, FHWA-HRT-07-045, June 2007. -- posted on October 9, 2007
TechBrief: Drivers' Evaluation of the Diverging Diamond Interchange, FHWA-HRT-07-048. -- posted on October 4, 2007
The September 2007 Focus is now online. -- posted on October 4, 2007
September
Updated Lab Assessment Summary Reports. -- posted on September 26, 2007
Pedestrian and Bicyclist Intersection Safety Indices: User Guide, FHWA-HRT-06-130, April 2007. -- posted on September 21, 2007
Multiple Corrosion Protection Systems for Reinforced Concrete Bridge Components, FHWA-HRT-07-043, July 2007. -- posted on September 19, 2007
Corrosion Resistant Alloys for Reinforced Concrete, FHWA-HRT-07-039, July 2007. -- posted on September 18, 2007
July/August Public Roads is now online. -- posted on Sept 14, 2007
Users Manual for LS-DYNA Concrete Material Model 159, FHWA-HRT-05-062, May 2007. -- posted on September 6, 2007
Traffic Detector Handbook: Third Edition—Volume I, FHWA-HRT-06-108, October 2006. -- posted on September 6, 2007
Traffic Detector Handbook:Third Edition—Volume II, FHWA-HRT-06-139, October 2006. -- posted on September 6, 2007
TechBrief: Current Provisions and Needed Research for Lightweight Concrete in Highway Bridges, FHWA-HRT-07-051, August 2007. -- posted on September 4, 2007
August
The August 2007 Focus is now online. -- posted on August 27, 2007
Evaluation of LS-DYNA Concrete Material Model 159, FHWA-HRT-05-063, May 2007. -- posted on August 24, 2007
Durability of Segmental Retaining Wall Blocks: Final Report, FHWA-HRT-07-021, April 2007. -- posted on August 2, 2007
July
The July 2007 Focus is now online. -- posted on July 31, 2007
Pedestrian and Bicyclist Intersection Safety Indices, FHWA-HRT-06-125, November 2006. -- posted on July 26, 2007
Fact Sheet: Lankershim Boulevard Dataset, FHWA-HRT-07-029, January 2007. -- posted on July 19, 2007
Fact Sheet: US Highway 101 Dataset, FHWA-HRT-07-030, January 2007. -- posted on July 19, 2007
Organizational and Expertise Directory, Summer 2007, FHWA-HRT-07-050. -- posted on July 17, 2007
New Lab Assessment Roadmap. -- posted on July 11, 2007
LTPP Newsletter, Spring 2007. -- posted on July 10, 2007
Federal Highway Administration University Course on Bicycle and Pedestrian Transportation, FHWA-HRT-05-085, July 2006. -- posted on July 9, 2007
The Use of Lithium to Prevent or Mitigate Alkali-Silica Reaction in Concrete Pavements and Structures, FHWA-HRT-06-133, March 2007. -- posted on July 3, 2007
Techbrief: Freeze-Thaw Resistance of Concrete with Marginal Air Content, FHWA-HRT-06-118, May 2007. -- posted on July 3, 2007
Long-Term Pavement Performance Program Falling Weight Deflectometer Maintenance Manual, FHWA-HRT-05-153, December 2007. -- posted on July 3, 2007
TechBrief: Pedestrian and Bicyclist Intersection Safety Indices, FHWA-HRT-06-129, February 2006. -- posted on July 2, 2007
June
Office of Research, Development, and Technology's Fiscal Year 2006 Research Project Status Summary, FHWA-HRT-07-049. -- posted on June 29, 2007
The June 2007 Focus is now online. -- posted on June 26, 2007
TechBrief: Safety Assessment of Interchange Spacing on Urban Freeways, FHWA-HRT-07-031. -- posted on June 1, 2007
May
Technical Publications Catalog, October 2005 – September 2006, FHWA-HRT-07-025. -- posted on May 30, 2007
Maintaining Traffic Sign Retroreflectivity: Impacts on State and Local
Agencies, FHWA-HRT-07-042, April 2007. -- posted on May 30, 2007
The May 2007 Focus is now online. -- posted on May 23, 2007
New DOT HQ/TFHRC Shuttle Schedule. -- posted on May 18, 2007
May/June Public Roads is now online. -- posted on May 18, 2007
Junction Loss Experiments: Laboratory Report, FHWA-HRT-07-036, December 2006. -- posted on May 9, 2007
TechBrief: Synthesis of the Median U-Turn Intersection Treatment, Safety, and Operational Benefits, FHWA-HRT-07-033. -- posted on May 8, 2007
Software Reliability: A Preliminary Handbook, FHWA-HRT-04-080, September 2004. -- posted on May 8, 2007
Advanced Quality Systems: Guidelines for Establishing and Maintaining Construction Quality Databases, FHWA-HRT-07-019, November 2006. -- posted on May 8, 2007
TechBrief: Traffic Performance of Three Typical Designs of New Jersey Jughandle Intersections, FHWA-HRT-07-032. -- posted on May 7, 2007
TechBrief: Strengthening Historic Covered Bridges to Carry Modern Traffic, FHWA-HRT-07-041. -- posted on May 4, 2007
Volume II, Enhanced Night Visibility Series: Executive Summary, December 2005, FHWA-HRT-04-133. -- posted on May 3, 2007
April
Petrographic Methods of Examining Hardened Concrete: A Petrographic Manual, FHWA-HRT-04-150, July 2006. -- posted on April 30, 2007
A Review of Pedestrian Safety Research in the United States and Abroad, FHWA-HRT-03-042, November 2003. -- posted on April 27, 2007
Organizational and Expertise Directory, Spring 2007, FHWA-HRT-07-038. -- posted on April 26, 2007
The April 2007 Focus is now online. -- posted on April 20, 2007
Freeze-Thaw Resistance of Concrete With Marginal Air Content, FHWA-HRT-06-117, December 2006. -- posted on April 19, 2007.
Long-Term Pavement Performance (LTPP) Data Analysis Support: National Pooled Fund Study TPF-5(013), FHWA-HRT-06-121, November 2006. -- posted on April 19, 2007
Federal Highway Administration Research Library. -- posted on April 9, 2007
Guide for Curing Portland Cement Concrete Pavements II, FHWA-HRT-05-038, August 2006. -- posted on April 9, 2007
2007 International Contest on LTPP Data Analysis. -- posted on April 6, 2007
LTPP 2006 Year in Review, FHWA-HRT-07-028, January 2007. -- posted on April 4, 2007.
Long-Term Pavement Performance Program (LTPP) Materials Reference Library (MRL), FHWA-HRT-06-116, June 2006. -- posted on April 4, 2007
Long-Term Pavement Performance Program Manual for Falling Weight Deflectometer Measurements, FHWA-HRT-06-132, December 2006. -- posted on April 2, 2007
March
Identifying Incompatible Combinations of Concrete Materials: Volume I– Final Report, HRT-06-079, August 2006. -- posted on March 30, 2007
The March 2007 Focus is now online. -- posted on March 27, 2007
Effects of Inlet Geometry on Hydraulic Performance of Box Culverts, FHWA-HRT-06-138, December 2006. -- posted on March 26, 2007
March/April Public Roads is now online. -- posted on March 22, 2007
Bottomless Culvert Scour Study: Phase II Laboratory Report, FHWA-HRT-07-026, February 2007. -- posted on March 9, 2007
Low Cost Safety Improvements Pooled Fund Study (PFS) PowerPoint Presentation. -- posted on March 6, 2007
Guidelines for Establishing and Maintaining Construction Quality Databases, FHWA-HRT-07-020, December 2006. -- posted on March 5, 2007
February
Organizational and Expertise Directory, Winter 2007, FHWA-HRT-07-034. -- posted on February 28, 2007
Material Property Characterization of Ultra-High Performance Concrete, FHWA-HRT-06-103, August 2006. -- posted on February 26, 2007
The January 2007 Focus is now online. -- posted on February 20, 2007
Flexural Capacity of Fire-Damaged Prestressed Concrete Box Beams, FHWA-HRT-07-024, February 2007. -- posted on February 20, 2007
Design and Construction of Driven Pile Foundations: Lessons Learned on the Central Artery/Tunnel Project, FHWA-HRT-05-159, June 2006. -- posted on February 16, 2007
Identifying Incompatible Combinations of Concrete Materials: Volume II-Test Protocol, FHWA-HRT-06-080, August 2006. -- posted on February 15, 2007
TechBrief: PBCAT Pedestrian & Bicycle Crash Analysis Tool, Version 2.0, FHWA-HRT-06-090, June 2006. -- posted on February 12, 2007
Fact Sheet: FHWA/NHTSA National Crash Analysis Center, FHWA-HRT-06-110, August 2006. -- posted on February 12, 2007
Evaluation of Safety, Design, and Operation of Shared-Use Paths, Final Report, FHWA-HRT-05-137, July 2006. -- posted on February 8, 2007
Computer-Based Guidelines for Concrete Pavements, Volume III: Technical Appendices, FHWA-HRT-04-127, January 2006. -- posted on February 5, 2007
Fact Sheet: Office of Transporation Management and Office of Operations Reserch and Development, FHWA-HRT-06-135, December 2006. -- posted on February 5, 2007
Fact Sheet: Office of Transporation Management and Office of Operations Reserch and Development, FHWA-HRT-06-136, December 2006. -- posted on February 5, 2007
Fact Sheet: Office of Transporation Management and Office of Operations Reserch and Development, FHWA-HRT-06-137, December 2006. -- posted on February 5, 2007
The December 2006 Focus is now online. -- posted on February 1, 2007
January
PBCAT Pedestrian & Bicycle Crash Analysis Tool, Version 2.0, FHWA-HRT-06-089, July 2006 . -- posted on January 31, 2007
Behavior of Fiber-Reinforced Polymer (FRP) Composite Piles under Vertical Loads, FHWA-HRT-04-107, August 2006. -- posted on January 31, 2007
The January/February Public Roads is now online. -- posted on January 26, 2007
Interim Recommendations for the Use of Lithium to Mitigate or Prevent Alkali-Silica Reaction (ASR), FHWA-HRT-06-073, July 2006. -- posted on January 25, 2007
Improving Pavements With Long-Term Pavement Performance: Products for Today and Tomorrow, FHWA-HRT-06-109, September 2006. -- posted on January 19, 2007
Volume VI, Enhanced Night Visibility Series: Phase II—Study 4: Visual Performance During Nighttime Driving in Fog, FHWA-HRT-04-137, December 2005. -- posted on January 16, 2007
Volume XI, Enhanced Night Visibility Series: Phase II—Cost-Benefit Analysis, FHWA-HRT-04-142, December 2005. -- posted on January 16, 2007
Volume XV, Enhanced Night Visibility Series: Phase III—Study 3: Influence of Beam Characteristics on Discomfort and Disability Glare, FHWA-HRT-04-146, December 2005. -- posted on January 16, 2007
Optimized Sections for High-Strength Concrete Bridge Girders--Effect of Deck Concrete Strength, FHWA-HRT-05-058, October 2006 -- posted on January 8, 2006
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