The GIS Data Catalog allows users to quickly and easily discover the latest geospatial data for SHA and the entire State of Maryland. Users can access the data in various formats for download and leverage direct links to API’s allowing for maximum utilization to the latest data.
707 North Calvert Street
Baltimore, Maryland 21202-3601
Main Business Line – 410-545-0300
Safety Campaigns – 1-800-323-6742
For emergencies, call MDOT SHA's Statewide Operations Center at 410-582-5650.
Frequently Asked Questions
Public Information Act