USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

Public Roads

Training for Load and Resistance Factor Rating of Highway Bridges

Load and resistance factor rating (LRFR) is a methodology closely aligned with load and resistance factor design (LRFD) for new highway bridges. While LRFD specifications focus on the design of bridges, LRFR takes a parallel track aimed at determining the load ratings for existing in-service bridges.

Communication Product Updates

Below are brief descriptions of communications products recently developed by the Federal Highway Administration’s Office of Research, Development, and Technology.

H3: The Island Interstate

To those on the mainland United States, visions of Hawaii usually bring thoughts of relaxing on a white, sandy beach during the long, warm, tropical days, sipping on a fruity drink while an exhilarating equatorial breeze gently whisks away the stress and worries common to everyday life.

The Highway Perspective of Side Impacts

This paper incorporates opening remarks presented at the Society for Automotive Engineers International Congress and Exposition held in Detroit, Michigan, on March 1-5, 1993.

New Research

The following new research studies reported by the Federal Highway Administration's (FHWA) Office of Research and Development are sponsored in whole or in part with federal highway funds.