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Georgiadriving inMaryland
Strict Enforcement — differential speed limits, heavy ELD/HOS checks

Maryland

Highway Speed
65 mph
Urban Speed
55 mph
Truck Parking
Limited
Inspection Level
Very High

Speed Limits

Truck speed limits in Maryland: Highway 65 mph, Rural 65 mph, Urban 55 mph. Same as passenger vehicles. Left lane: Trucks over 10,000 lbs restricted from left lane on highways with 3+ lanes where posted.

Winter & Chain Laws

No mandatory chain law; chains permitted during winter weather Construction: Year-round construction; I-95 and I-695 projects frequent.

Restricted Routes

Baltimore-Washington Parkway prohibits commercial vehicles; numerous low-clearance bridges and tunnels; Baltimore Harbor Tunnel and Fort McHenry Tunnel have hazmat restrictions

Hours of Service & ELD

Aggressive enforcement; Maryland State Police CMV units among the most active nationally ELD: Full federal ELD mandate compliance required.

Inspections & Enforcement

Very high; Maryland consistently ranks #1 in annual inspection rankings nationwide Drug testing: Federal DOT drug testing requirements apply.

Parking Availability

Limited; dense Northeast corridor; some rest areas converted to truck parking

Official Source

For the most current trucking regulations in Maryland, visit the official enforcement page at https://mdsp.maryland.gov/Organization/Pages/SupportServicesBureau/CommercialVehicleEnforcementDivision.aspx.

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Law last updated: 2025-01Row last reviewed: Apr 17, 2026

Trucking regulations change frequently. Always verify current rules with the official state DOT or highway patrol before operating. This guide is for informational purposes only. Data reflects regulations as of early 2026.