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Maryland
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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Moving to Maryland from elsewhere · Road Safety
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.