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

Everyone

Subscribe to RSS

The Changing Face of Transportation

Our vision of transportation in this new century and this new millennium is shaped by the many successes of our past and a renewed commitment not only to meet but to surpass new goals, as we strive to obtain transportation excellence for all Americans. Today, under the leadership of President...

MARTA "C" Car : Truck Primary Suspension Stiffness

This technical note records the modification process, test setups, and findings of the Truck Primary Suspension Stiffness investigations on the Metropolitan Atlanta Rapid Transit Authority (MARTA) "C" Car. Rubber suspension parts have been modified in several stages of MARTA transit car testing....

Tri-County Authority Light Rail Vehicle : Friction Brake Modifications

In December 1983 a prototype of Portland, Oregon 1 s Tri-County Metropolitan Transit Authority (TRI-MET) light rail vehicle was sent to the Transportation Test Center in Pueblo, Colorado for Specification Compliance and Performance Evaluation. Since this vehicle was a preproduction prototype,...