MD. Transportation Code Ann. § 21-405 (2014)

§ 21-405. Operation of vehicles on approach of emergency vehicles

1. 1. In general. – On the immediate approach of an emergency vehicle using audible and visual signals that meet the requirements of § 22-218 of this article or of a police vehicle lawfully using an audible signal, the driver of every other vehicle, unless otherwise directed by a police officer, shall yield the right-of-way.
   2. Duty of driver upon approach of emergency vehicle. – On the immediate approach of an emergency vehicle using audible and visual signals that meet the requirements of § 22-218 of this article or of a police vehicle lawfully using an audible signal, the driver of every other vehicle, unless otherwise directed by a police officer, shall drive immediately to a position parallel to and as close as possible to the edge or curb of the roadway, clear of any intersection.
   3. Stopping until emergency vehicle passes. – On the immediate approach of an emergency vehicle using audible and visual signals that meet the requirements of § 22-218 of this article or of a police vehicle lawfully using an audible signal, the driver of every other vehicle, unless otherwise directed by a police officer, shall stop and stay in this position until the emergency vehicle has passed.
   4. Passing emergency or police vehicle. – A driver, when proceeding in the same direction as an emergency or police vehicle, may not pass an emergency vehicle using audible and visual signals that meet the requirements of § 22-218 of this article or a police vehicle lawfully using an audible signal unless:
      1. The emergency vehicle has stopped; or
      2. Otherwise directed by a police officer.
   5. Driver of emergency vehicle not relieved from duty of care. – This section does not relieve the driver of an emergency vehicle from the duty to drive with due regard for the safety of all persons.
      • Emergency rules for police officers in Baltimore City