Pedestrian Hybrid Beacons

USLIMITS2 - Technical Support

If you experience any technical difficulties while using this program, find any bugs, or have suggestions for improving USLIMITS2, please send an email to help@uslimits.org.

FHWA also offers FREE technical assistance to State and local agencies...

USLIMITS2 - Frequently Asked Questions

Q: Were any national associations such as AASHTO and ITE involved in the development of USLIMITS2?

A: The expert system was developed under the National Cooperative Highway Research Program (NCHRP) which is sponsored by AASHTO. A project panel made up of 3 State...

Speed Management Workshops

A series of pilot workshops were held around the country to provide platforms for researchers, engineers, law enforcement, educators and policy makers to address speed-setting and enforcement issues. Building on the success of these workshops, the U.S. DOT has developed a Speed Management...

Memorandum – Guidelines for the Use of Variable Speed Limit Systems in Wet Weather

US Department of Transportation

Federal Highway Administration

Subject: INFORMATION: Guidelines for the Use of Variable Speed Limits Systems in Wet Weather

Date: September 26, 2012

Motorcyclist Advisory Council

In accordance with the provisions of the Fixing America’s Surface Transportation (FAST) Act Section 1426, the Motorcyclist Advisory Council (MAC) was established in 2017 to coordinate with and advise the Federal Highway Administration (FHWA) on infrastructure issues of concern to motorcyclists....

Motorcycle Safety

The Federal Highway Administration is committed to identifying effective motorcycle safety countermeasures, promoting roadway maintenance and design practices that account for motorcycle-specific safety concerns, and maintaining a research program that supports an improved motorcycle riding...

Work Zones

The safe and efficient flow of traffic through work zones is a major concern to transportation officials, industry, the public, businesses, and commercial motor carriers. The FHWA Work Zone Management Program is working to "make work zones work better" by providing transportation practitioners...

PBCAT Pedestrian and Bicycle Crash Analysis Tool Version 3.0 User Guide

This document serves as a user guide to assist State and local safety professionals  to apply PBCAT version 3 to their crash reports. This document also presents the modernized crash-typing framework, which is significantly different from former versions of PBCAT. Additionally, this...

Facilitating Analysts' Use of Traffic Data from the Long-Term Pavement Performance (LTPP) Program

This report describes the data analysis study performed to help LTPP database users navigate and understand LTPP traffic data and select traffic parameters that best fit their project needs. This study included the development of analysis-ready traffic datasets to support a broad variety of...