Maryland transportation laws

What Maryland has enacted on transportation, what each law requires, and what the bills still moving would do. Maryland is one of 41 states that enacted a transportation law in the 2025 and 2026 sessions.

9 new Maryland laws take effect in 2027

Bills in scope
17bills in scope
Past committee
6past committee
Most recent action
3 August 2026most recent action

Transportation laws enacted in Maryland

5 transportation laws enacted in the Maryland Legislature in the 2025 and 2026 sessions, newest first. Each links to the legislature's own page.

  • HB 862Railroads - Required Crew for Movement of FreightEnacted 3 August 2026

    What it requires: A railroad train used in connection with the movement of railroad freight may not be operated in the State unless it has a crew of at least two individuals. This requirement applies to freight trains sharing the same rail corridor as high-speed passenger or commuter trains, but excludes hostler service and utility employees in yard service.

    Freight rail

  • HB 253Vehicle Laws - Heavy Weight Port Corridor Permits - RegulationsTook effect 1 June 2026

    What it requires: The Secretary shall adopt regulations for issuing permits to vehicles transporting manifested international freight in sealed seagoing containers on semitrailers from Seagirt Marine Terminal. Permitted vehicles must not exceed 100,000 pounds gross maximum vehicle weight, comply with axle requirements, travel only on specified routes during established hours at specified maximum speeds, and travel only to destinations authorized by the Secretary.

    Truck size, weight and road use, Ports, maritime and freight corridors

  • HB 189Drunk Driving - Commercial Driver's Licenses - Disqualification From DrivingTook effect 1 October 2025

    What it requires: The Motor Vehicle Administration shall disqualify individuals from driving commercial motor vehicles for 1 year if convicted of drunk driving offenses while operating commercial vehicles, or if they drive or attempt to drive any motor vehicle with alcohol concentration of 0.08 or greater while holding a commercial license. Disqualification periods extend to 3 years for hazardous material transport violations and lifetime for two or more separate violations.

    Motor carriers and commercial drivers

  • SB 187Drunk Driving - Commercial Driver's Licenses - Disqualification From DrivingTook effect 1 October 2025

    What it requires: The Motor Vehicle Administration shall disqualify individuals from driving commercial motor vehicles for one year if convicted of drunk driving offenses while operating commercial vehicles, or if they drive or attempt to drive a commercial motor vehicle with blood or breath alcohol concentration of 0.04 or greater. Disqualification extends to three years if hazardous materials were being transported.

    Motor carriers and commercial drivers

  • SB 203Vehicle Laws - Exceptional Hauling Permits for Farm ProductsTook effect 1 October 2025

    What it requires: Operators of vehicles carrying farm products under an exceptional hauling permit must comply with specified weight limits, axle configurations, and spacing requirements. Vehicles carrying fluid milk products may operate on interstate highways. Operators must possess the permit and proof of current preventive maintenance inspection.

Transportation in Maryland, by topic

Transportation bills in Maryland

The bills not yet law, furthest along first, with what each would do.

5Enacted

1Past committee

11Introduced or inactive

17 bills in scope

Past committee

1

HB 1556Environment - Advanced Clean Cars II Program and Advanced Clean Trucks Program - Implementation, Application, and EnforcementPassed committee

What it would do: Prohibits the Department of the Environment from implementing the Advanced Clean Trucks Program until a needs assessment and deployment plan is published, with implementation beginning in model year 2028 or 2029 depending on publication date. Restricts enforcement penalties for ACC II and ACT violations in model years 2027-2028 to situations where manufacturers representing at least 40% market share have agreed to implementation.

Introduced or inactive

11

HB 1584Delivery Network Companies and Delivery Network Services - Regulation and TransparencyIn committee

What it would do: Establishes a regulatory framework for delivery network companies and operators in Maryland, requiring permits for companies, licenses for operators, accessibility standards, transparent payment disclosures, and annual reporting to the Public Service Commission.

SB 175City of Cumberland - Speed Monitoring Systems - Tractor Trailers on Interstate 68Dead

What it would do: Authorizes the City of Cumberland to use speed monitoring systems on Interstate 68 portions with a 45 miles per hour speed limit to enforce speed limits exclusively for Class F tractor vehicles operated with Class G freight trailers or semitrailers, with fines funding public safety programs and transportation improvements in the Interstate 68 corridor.

HB 1295Vehicle Laws - Fully Autonomous VehiclesIn committee

What it would do: Establishes standards for operating fully autonomous vehicles on Maryland highways without human drivers, requires first responder interaction plans and $1,000,000 liability insurance, and subjects personal data collected by autonomous vehicles to the Online Data Privacy Act.

HB 1446Commercial Driver's Instructional Permits - School Vehicles - Knowledge TestIn committee

What it would do: Authorizes school vehicle driver trainers employed by county school boards to administer the commercial driver's instructional permit knowledge test to applicants for a commercial driver's license with a school bus endorsement.

SB 909Vehicle Laws - Fully Autonomous VehiclesIn committee

What it would do: Establishes standards for operating fully autonomous vehicles on Maryland highways without human drivers, including requirements for automated driving system safety, first responder interaction plans, and $1,000,000 minimum liability insurance. Makes personal data collected by autonomous vehicles subject to the Online Data Privacy Act.

HB 1500Commercial Driver's Licenses - Out-of-State Residents - School Buses or Passenger VehiclesIn committee

What it would do: Authorizes the Motor Vehicle Administration to issue a Class B commercial driver's license with school bus or passenger vehicle endorsements to non-residents of Maryland who hold equivalent credentials from a neighboring state.

HB 1256Vehicle Laws - Fully Autonomous VehiclesIn committee

What it would do: Establishes standards for operating fully autonomous vehicles on Maryland highways without a human driver, requiring compliance with federal safety standards, submission of law enforcement interaction plans, proof of security, and identification on vehicle registration.

SB 855Railroads - Safety Requirements (Maryland Railway Safety Act of 2025)In committee

What it would do: Establishes railroad safety requirements including minimum two-person crews for freight trains, five-minute limits on grade crossing blockages, 8,500-foot maximum train lengths, wayside detector systems on Class IV tracks, and allows union representatives reasonable access to railroad property for safety investigations.

HB 958Railroads - Safety Requirements (Maryland Railway Safety Act of 2025)In committee

What it would do: Establishes railroad safety requirements including minimum two-person crews for freight trains, five-minute limits on grade crossing blockages, 8,500-foot maximum train lengths, wayside detector systems on Class IV tracks, and allows union representatives reasonable access to railroad property for safety investigations.

HB 439Vehicle Laws – Fully Autonomous Vehicles – Human Safety Operators and Reporting RequirementsIn committee

What it would do: Requires a human safety operator to be present in fully autonomous vehicles weighing over 10,001 pounds operating on Maryland highways. Mandates manufacturers report collisions, traffic citations, disengagements, and assaults involving such vehicles to the Motor Vehicle Administration.

HB 48Railroad Companies - Condemnation Authority - ApplicationIn committee

What it would do: Excludes entities that own or operate railroads powered by magnetic levitation propulsion systems from the condemnation authority granted to railroad companies under Maryland Public Utilities Article sections 5-405 through 5-408.

Bill titles link to the Maryland Legislature's own page.

What LawSignals covers

What counts as transportation legislation

In scope: Motor carriers and commercial drivers; truck size, weight and road use; truck and fleet emissions; hazardous materials transport; freight rail; ports, maritime and freight corridors; warehouses and delivery; and autonomous trucks and delivery devices.

Questions

Does Maryland have a transportation law?

Yes. Maryland enacted 5 transportation laws in the 2025 and 2026 sessions, among them HB 862, HB 253 and HB 189. Each is listed on this page with what it requires.

When do Maryland's transportation laws take effect?

HB 253 on 1 June 2026, HB 189 on 1 October 2025, SB 187 on 1 October 2025 and SB 203 on 1 October 2025. The others have no single date in their text.

Which transportation bills are moving in Maryland?

1 bill not yet law has passed a committee or a chamber, the furthest along HB 1556 (passed committee).

What does Maryland legislate on most in transportation?

Motor carriers and commercial drivers (4 bills), Freight rail (4 bills) and Autonomous trucks and delivery devices (4 bills).

Are these summaries reviewed by a lawyer?

No. Which bills count as Transportation bills, and the line on what each law requires or each bill would do, are drafted by software from the bill's own text and not reviewed by an attorney. Every bill links to the legislature's own record: read the text before relying on it. The list covers bills from the 2025 and 2026 sessions.

Know when Maryland's transportation law changes

An alert when a bill moves, and one report a month on what changed in every state and Congress.