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Federal Highway Administration Research and Technology: Coordinating, Developing, and Delivering Highway Transportation Innovations
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Step Frequency Ground Penetrating Radar Characterization and Federal Evaluation Tests

The objective of this report is to provide a comprehensive emissions characterization and evaluation of a step frequency ground penetrating radar (SF GPR) system to help officials determine whether SF GPR can be operated safely. Read more

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Computer-Based Guidelines for Concrete Pavements: HIPERPAV III USER MANUAL

The High Performance Paving (HIPERPAV® ) III software program is a comprehensive yet user friendly software package. This software program will be of interest to those involved in concrete pavement mix designs as well as the design and construction of concrete pavements. In this user manual, guidance is given on how to use the new HIPERPAV® III software program for the analysis of early age Portland cement concrete pavement (PCCP) behavior. Read More

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Evaluation of Low-Cost Safety Improvements on Rural Two-Lane Undivided Roads: Nighttime Delineation for Curves and Traffic Calming for Small Towns

This report describes a driving simulator experiment designed to evaluate two sets of alternative low-cost safety improvements for rural areas. The first set of improvements is directed at enhancing the visibility of curves on rural two-lane undivided roads at night. The second set of improvements is directed at slowing traffic on rural two-lane undivided roads in small towns. 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]

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