Skip to main content
U.S. flag

An official website of the United States government

This site is currently in beta, and your feedback is helping shape its ongoing development.

Roadway Functional Classification

Published by District Department of Transportation | District of Columbia | Metadata Last Checked: January 27, 2026 | Last Modified: 2022-11-01T00:00:00.000Z
Roadway Street Block by Functional Class. A single line, segmented at all intersections (alley, service road, drive, street, and driveway centerline types), representing each street in the District. They follow the general trend of the street and do not deviate due to parking lanes, turning lanes, etc. and contain address ranges for geocoding. The street GIS database includes five different street road types: Collector, Interstate, Local, Minor Arterial, Other Freeway and Expressway, Principal ArterialFor more information please visit DDOT's wiki page.

Complete Metadata

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov