# Transportation (GTR)

## Title 21. Vehicle Laws -- Rules of the Road

### Subtitle 3. Driving on Right Side of Roadway; Overtaking and Passing; Use of Roadway

#### Section 21-314

(a) In this section, "HOV lane" means a high occupancy vehicle lane, the use of which is restricted by a traffic control device during specified times to vehicles carrying at least a specified number of occupants.

(b) Except as provided in subsection (c) of this section, a person may not drive a vehicle in an HOV lane unless authorized by a traffic control device.

(c) The following vehicles may be driven in an HOV lane at all times regardless of the number of passengers in or on the vehicle:

  (1) A bus;

  (2) A motorcycle;

  (3) A plug-in electric drive vehicle displaying a valid permit issued under Sec. 25-108 of this article; and

  (4) A tow truck that is properly registered in accordance with Sec. 13-920 of this article and is using any visual signal that meets the requirements of Sec. 22-218 of this article while responding to a call for service if an appropriate law enforcement agency has authorized the tow truck operator to use HOV lanes.

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Md. Code Ann., Transp. (as displayed at mgaleg.maryland.gov, October 16, 2026)