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Below are brief descriptions of communications products recently developed by the Federal Highway Administration's Office of Research, Development, and Technology. All of the reports are or will soon be available [...]

Below are brief descriptions of communications products recently developed by the Federal Highway Administration's Office of Research, Development, and Technology. All of the reports are or will soon be available [...]

Below are brief descriptions of communications products recently developed by the Federal Highway Administration's Office of Research, Development, and Technology. All of the reports are or will soon be available [...]

Compiled by Lisa A. Shuler of FHWA's Office of Corporate Research, Technology, and Innovation Management Below are brief descriptions of communications products recently developed by the Federal Highway Administration's Office [...]

Learning About Driver and Pedestrian Behaviors Through Connected Simulation Technology. Publication Number: FHWA-HRT-20-059 As the Nation's roadways increase in connectivity and complexity, a challenge emerges to maintain road safety and [...]

Utilizing Mobile Ad Hoc Networks to Enhance Road Safety Publication Number: FHWA-HRT-20-046 Analyses by the National Highway Traffic Safety Administration concluded connected vehicle innovations could reduce crashes, injuries, and fatalities [...]

Below are brief descriptions of communications products recently developed by the Federal Highway Administration 's Office of Research, Development, and Technology. All of the reports are or will soon be [...]

To Alert or Assist: Comparing Effects of Different Lateral Support Systems on Lane-Keeping Publication Number: FHWA-HRT-20-068 Road-departure crashes, in which a vehicle inadvertently drifts off the road, are among the [...]

Coating Performance on Existing Steel Bridge Superstructures Publication Number: FHWA-HRT-20-065 Steel corrodes when exposed to moisture and oxygen. If left unprotected, some steel used in highway bridge superstructures is highly [...]

Evaluation of Holes Fabricated Using Plasma Arc Cutting Publication Number: FHWA-HRT-20-056 This report documents fatigue and tensile test results of steel plates with round holes fabricated using plasma arc cutting. [...]

Leveraging Augmented Reality for Highway Construction Publication Number: FHWAHRT-20-038 Augmented reality (AR) is an immersive technology combining computer-generated information with real-world imagery in real time. AR enhances the user's perception [...]

Publication Number: FHWA-HRT-19-034 This technical summary presents the study results for research conducted in a highway driving simulator to evaluate driver behavior and sign comprehension during reversible-lane operations compared to [...]

Publication Number: FHWA-HRT-18-054 The movement of superheavy loads (SHLs) on the Nation's highways is an increasingly common, vital economic necessity for many important industries, such as chemical, oil, electrical, and [...]

Women are at the forefront of innovation at the Federal Highway Administration's Turner-Fairbank Highway Research Center (TFHRC). From engineering to analysis, women fill key roles across the TFHRC, including senior [...]

This report examines outcomes associated with the National Household Travel Survey (NHTS) program, namely the extent of NHTS survey usage; the impact of the NHTS program on policy, project, and [...]

Highway agencies have used orthotropic steel decks for decades, especially on long-span bridges, because of their light weight and fast construction. However, fatigue cracking has been a maintenance nuisance because [...]

The article discusses several ergonomic ways on how employers can implement a hybrid workplace. Topics mentioned include an explanation why ergonomics is important, the need to acquire mobile equipment and enhance employees' comfort to provide a productive workstation, and the importance of helping employees feel connected and encouraging microbreaks.

Precast, prestressed concrete adjacent box beams are widely used in short- and medium-span bridges in the United States. A recurring issue with this type of bridge is the deterioration of [...]

The objective of this project was to develop guidance to identify methods that may produce self-enforcing roadways during the geometric design process. A self-enforcing road, also called a self-explaining roadway, [...]

Below are brief descriptions of communications products recently developed by the Federal Highway Administration's Office of Research, Development, and Technology. All of the reports are or will soon be available [...]

The use of engineered fills with and without layered reinforced soil systems is an economical solution to reduce deformations and improve bearing resistance of shallow foundations for bridge supports. Engineered [...]

Publication Number: FHWA-HRT-15-083 FHWA researchers upgraded existing markings from standard marking materials to wet-reflective markings to examine the safety impacts on roadways in Minnesota, North Carolina, and Wisconsin. The wet-reflective [...]

Information as a Source of Distraction (Report) Publication Number: FHWA-HRT-15-027 This report presents research aimed at advancing the scientific basis for decisions about information displayed within the right-of-way without adversely [...]

The effects of vehicle splash and spray are well known to motorists who have driven in wet weather conditions. Research indicates that splash and spray contribute to a small but [...]

Traditional roadway lighting uses high-pressure sodium light sources, which provide high photometric efficacy. However, this type of light is amber and does not render the color of objects accurately. With [...]

As part of its strategic highway safety effort, FHWA organized a pooled-fund study of 38 States to evaluate low-cost safety strategies. One of the strategies selected for evaluation was the [...]

FHWA's Long-Term Pavement Performance (LTPP) program uses improved climate data to support current and future research into the effects of regional weather patterns on pavement materials, design, and performance. These [...]

Factors Influencing Operating Speeds and Safety on Rural and Suburban Roads (Report) Publication Number: FHWA-HRT-15-030 Drivers who exceed the speed limit or drive too fast for the road conditions are [...]

This report discusses a study evaluating how inexpensive radio frequency identification (RFID) tags can be used in a set of pavement construction applications. Researchers examined the use of RFID tags [...]

FHWA initiated the Long-Term Bridge Performance (LTBP) Program to collect, store, and analyze data to better understand how bridges deteriorate over time. Bridge performance includes performance of materials, protective systems, [...]

Publication Number: FHWA-HRT-14-084 Ultra-high performance concrete (UHPC) exhibits mechanical and durability properties that make it an ideal candidate for developing new solutions for construction, repair, and replacement of highway infrastructure. [...]

FHWA has led the research and development of innovative applications of connected automation that offer the potential for significant benefits for mobility, safety, and the environment. One of the major [...]

This TechBrief summarizes a program case study that highlights the transformation and automation of the Pennsylvania Department of Transportation (PennDOT) construction process through the development of advanced mobile applications and [...]

The overall goal of FHWA's Roadway Departure Safety Program is to improve the safety of the Nation's highways through the reduction of roadway departure crashes. Roadway departures continue to account [...]

Analysis of Cracking in Jointed Plain Concrete Pavements (Summary Report) Publication Number: FHWA-HRT-16-073 Premature cracking can severely degrade concrete pavement structures. Many studies have suggested that premature longitudinal cracking is [...]

Wearable sensors are small and robust enough to be carried directly on a person's body', such as in a wristband or jewelry, or built into a smartphone. Researchers frequently' use [...]

One strategy of cooperative vehicle-highway systems is speed harmonization, which dynamically adjusts vehicle speed recommendations to reduce speed differentials. Highway agencies can use speed harmonization near areas of congestion, crashes, [...]

This technical brief discusses an evaluation of intersection conflict warning systems conducted under the Evaluation of Low Cost Safety Improvements Pooled Fund Study, which currently has 40 State members. These [...]

Publication Number: FHWA-HRT-15-082 Gaining a comprehensive understanding of drivers' decisions and behaviors in dilemma zone situations can help State, county, and city transportation agencies develop and deploy effective countermeasures to [...]

Publication Number: FHWA-HRT-15-071 Planning for operations provides the foundation for proactively operating a transportation system. FHWA promotes the use of a performance-based approach for the integration of operations into the [...]

Remotely Monitoring Water Quality Near Highways: A Sustainable Solution (Fact Sheet) \ Publication Number: FHWA-HRT-16-018 Collecting data on water quality in streams located near highways can be challenging in remote [...]

Multiple Sources of Safety Information from V2V and V2I: Redundancy, Decision Making, and Trust--Safety Message Design Report (Report) Publication Number: FHWA-HRT-15-007 Vehicles and roadways of the future will employ advanced [...]

On August 13 and 14, 2014, FHWA's Office of Safety Research and Development and Office of Safety, with support from the Exploratory Advanced Research Program, convened a 2-day workshop at [...]

In March 2013, the construction contractor for the new self-anchored suspension bridge between San Francisco and Oakland, CA, tensioned the threaded rods between the bearings and shear keys and the [...]

Open-graded aggregates are compacted aggregates with relatively large void spaces not filled with intermediate-sized particles. These aggregates are becoming more common in road and bridge construction because they are easy [...]

Access management is the process that provides access to land development while preserving the flow of traffic on the surrounding road network for safety, capacity, and speed. Although operational effects [...]

When the distance between a traveler's origin or destination and the nearest public transit station is time-consuming, inconvenient, or unsafe to traverse, potential transit riders might be discouraged from using [...]

Investigating Improvements to Pedestrian Crossings with an Emphasis on the Rectangular Rapid-Flashing Beacon (Report) Publication Number: FHWA-HRT-15-043 The rapid-flashing beacon has received national attention as a way to emphasize the [...]