Annual Highway Mileage ReportsThe annual mileage reports show miles, lane miles and Annual Vehicle Miles of Travel (AVMT) for all State, county and municipally maintained roads in Maryland.
Annual Vehicle Miles of Travel Report 273 KB, 332 KBThis report contains Annual Vehicle Miles of Travel (AVMT) by county and functional classification for State, county, and municipal highway systems.Note: Beginning with the 2016 report, the Annual Vehicle Miles of Travel Report features the current FHWA Functional Classification Codes (1-7). With the introduction of the new FHWA codes, the Maryland Department of Transportation State Highway Administration (MDOT SHA) added the classifications Urban, Rural, Principal Arterial and Other Freeways and Expressways, and Minor Collector.
Congestion AssessmentCongestion assessment maps show congestion levels for all major state roadways in Maryland on an average weekday during the morning (a.m.) and evening (p.m.) peak hours using a combination of probe and Highway Capacity Manual-based analysis.
Maryland Interstate and Beltway Mileage ReportThis report contains highway miles for Maryland’s Interstate Highway System by route number and mileage on the Baltimore and Capital Beltways.
Mileage Inside the Municipalities ReportsThis annual report summarizes mileage of State, county and municipal roadways, as well as the mileage of roads within municipalities.
Traffic Monitoring System (TMS)The TMS provides data, statistics, reports and maps for MDOT SHA’s traffic count program.
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