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New mobility website to track Washington, D.C. traffic congestion
The dynamic web tool shows the District’s state of mobility for surface transportation modes and outlines DDOT’s recommendations for managing and operating built infrastructure to meet growing demand.

Architect of the Capitol's Office

As part of an effort to clearly communicate how the District's transportation system is performing, the District Department of Transportation (DDOT) launched the District Mobility website.
District Mobility is a dynamic web tool that shows the District’s state of mobility for surface transportation modes and outlines DDOT’s recommendations for managing and operating built infrastructure to meet growing demand.
“The goal of the District Mobility Project is to better quantify and qualify the state of the District’s transportation system performance from a holistic, multimodal perspective,” said DDOT Director Leif Dormsjo. “The interactive, data-rich design of District Mobility provides an innovative platform for sharing the state of mobility and DDOT’s progress towards reducing congestion on our roads.”
District Mobility is part of the ongoing District Mobility Project. The project was established to increase understanding of mobility issues and define a program of improvements to address them. It builds on national advances in transportation system performance management to track trends in congestion and travel-time reliability, among other key system performance metrics.
The District Mobility Project leverages transportation data for multiple modes (walking, bicycling, transit, and driving) to inform DDOT’s short- and long-term investment strategies. The metrics, data, and recommendations developed through the District Mobility Project are presented in both the District Mobility website and a District Mobility Report.
"The District has a diverse, multimodal transportation network that serves District residents, regional commuters, and tourists from around the world,” said Project Manager Stephanie Dock. “District Mobility is arranged into a series of stories describing the people who travel in DC, the transportation modes that they use to move around, and how they experience different aspects of congestion and mobility. Interactive maps allow website users to see how transportation demand in the District changes over the course of a day and how those changes impact all modes."
By highlighting areas with high congestion, low reliability, and poor accessibility, District Mobility shows where DDOT will target near-term investments to improve multimodal mobility.
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