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

Long Bridge Project

Long Bridge Project Fact Sheet
Long Bridge Project Fact Sheet

The Long Bridge Project (Project) will construct two additional tracks on a new bridge structure over the Potomac River and railroad infrastructure improvements between the RO Interlocking in Arlington, Virginia, and the L’Enfant (LE) Interlocking near 10th Street SW in the District of Columbia (District) (the Long Bridge Corridor). The purpose of the Project is to provide additional long-term railroad capacity and to improve the reliability of Amtrak, VRE, and CSX Transportation (CSXT) railroad service. 

Currently, there is insufficient capacity, resiliency, and redundancy to accommodate the projected demand in future railroad services. The Project is needed to address railroad service demands and to ensure that the Long Bridge Corridor continues to serve as a critical link connecting the local, regional, and national transportation network. The Project connects logical termini, has independent utility, and does not restrict consideration of alternatives for other potential transportation projects in the area. 

The Long Bridge Corridor includes Federal parkland managed by the National Park Service; historic and cultural properties; the Potomac River; residential buildings, offices, and hotels; and transportation facilities (Long Bridge, Washington Metropolitan Area Transit Authority [WMATA] Metrorail right-of-way and bridge, other railroad bridges, roadway bridges, and numerous pedestrian and bicycle trails). CSXT, a Class I freight railroad, operates the Long Bridge Corridor, including the existing two-track Long Bridge. 

long bridge project image

Permitting Dashboard

The U.S. Permitting Dashboard is an online tool for Federal agencies, project sponsors, and interested members of the public to track the Federal government’s environmental review and authorization processes for large or complex infrastructure projects. The Dashboard is part of a government-wide effort to improve coordination, transparency, and accountability. A link to this project’s page on the Dashboard is below.