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Federal Highway Administration Research and Technology
Turner-Fairbank Highway Research Center

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FHWA-HRT-15-056 PDF Cover Image

Analytical Method to Measure Water in Asphalt and Its Application to Emulsion Residue Recovery

New laboratory techniques-including storing samples, solvents, and glassware in a dry atmosphere and performing all sample preparation in a dry environment-were employed, and these techniques subsequently improved repeatability to 20-parts per million (ppm)/sample. [Read more]

FHWA-HRT-15-053 PDF Cover Image

Four-mm Dynamic Shear Rheometry

This TechBrief provides an overview of a new dynamic shear rheometer (DSR) method that is an alternative to the bending beam rheometer (BBR) to measure low-temperature rheology, including m-value and creep stiffness. [Read more]

FHWA-HRT-17-024 PDF Cover Image

Cooperative Adaptive Cruise Control Human Factors Study: Experiment 4—Preferred Following Distance and Performance in An Emergency Event

This study is the fourth in a series of four experiments exploring human factors issues associated with the introduction of cooperative adaptive cruise control (CACC). [Read more]

News


The CMF Clearinghouse: A Handy Safety Tool

The CMF Clearinghouse: A Handy Safety Tool

FHWA has developed an accessible Web-based, one-stop resource for information on crash modification factors. [Read more]

 

The Double Crossover Diamond

The Double Crossover Diamond

Introducing an innovative interchange for grade-separated crossroads that promises to speed construction, save money, and increase safety. [Read more]

 

Integrated Corridor Management

Integrated Corridor Management

Analysis, modeling, and simulations of ICM strategies are going forward on three of the Nation's busiest roadways. Coming next—demonstrations. [Read more]

Federal Highway Administration (FHWA) Research and Technology Agenda

Federal Highway Administration (FHWA) Research and Technology Agenda

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Turner-Fairbank Highway Research Center | 6300 Georgetown Pike | McLean, VA | 22101