This portal represents a collection of services provided by the District Department of Transportation (DDOT). It features REST services, providing access to Circulator bus data (real-time positions, history, bus stops, etc.) as well as carshare and bikeshare information.

DDOT api

The District Department of Transportation's (DDOT) Signal Phasing Data Service (SPDS) provides approved users with access to DDOT's traffic signal phasing data to utilize in applications that will improve transportation efficiency and enhance the lives of motorists, pedestrians, cyclists and transit users. OCP's website.

Signal Phasing Data Service

The District of Columbia Geographic Information System (DC GIS) provides District agencies and the public geospatial data and enterprise applications. GIS empowers policymakers and implementers with data and application tools to support better decision-making and performance.

DC Data Services

Transit IQ allows you to track your vehicles with Android mobile devices (smartphones or tablets) The only device requirements – mobile data service and GPS module

Transit IQ

The District of Columbia GIS community wants to ensure the District’s data is as open, discoverable and usable as possible in the hopes of fostering greater participation and collaboration. Search the site for datasets by topic, explore featured datasets or review the full list of DC Data sets.

District of Columbia Open Data