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Maps & GIS – Public Works

Maps & GIS - Transportation

Public Works produces several maps, web maps and GIS data, including the Boulder County Road Map, Traffic Volumes interactive web map, Snow Removal Priority interactive web map, and Geospatial Downloadable Data, all available in the links below.

Web Maps


Road Map

Official identification of all Boulder County owned roads

CDOT Highways Map

State owned roads in Boulder County

Geographic Information Systems (GIS) Data

Geospatial Downloadable Data

County maintained GIS/mapping data


Additional GIS data, provided by CDOT

Sales Tax Projects

Contact Us

Public Works Department (formerly Transportation)

Submit a request


2525 13th Street
Boulder, CO 80304

Map & Directions

Hours: 8 a.m. - 4:30 p.m. M-F

Mailing Address

P.O. Box 471
Boulder, CO 80306