An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
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.
In 2020, the Mount Hood National Forest experienced unprecedented catastrophic wildfire events that damaged recreational sites and transportation assets along the Clackamas River corridor. A 19-mile segment of OR 224, the primary route connecting travelers from...
Develop intelligent transportation systems and enabling technologies.
Provide the necessary tools and best practices to facilitate smart transportation...
Develop truck platooning technology and conduct an inservice field operational test to...
Develop intelligent transportation systems and enabling technologies.
Provide the necessary tools and best practices...
Download Public Roads Autumn-2021.pdf
DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of a specific Public Roads issue, please go to the HTML...
The IHSDM Version 17 software download is composed of a suite of software analysis tools used to evaluate the safety and operational effects of geometric design decisions on highways.
IHSDM is a decision-support tool that provides estimates of a highway design's expected safety...