Code of Alabama
Article 5 - Right-of-Way.
Section 32-5-113 - Duty of Driver on Approach of Authorized Emergency Vehicles.

(a) Upon the immediate approach of an authorized emergency vehicle equipped with at least one lighted lamp and audible signal as is required by law, the driver of every other vehicle shall immediately drive to a position parallel to, and as close as possible to, the right-hand edge or curb of the roadway clear of any intersection and shall stop and remain in such position until the authorized emergency vehicle has passed, except when otherwise directed by a police officer.
(b) It shall be unlawful for the driver of any vehicle, except when traveling on official business relative to the emergency, to follow an authorized emergency vehicle answering an emergency call closer than 500 feet.
(c) Violations of this section shall be punished as provided in Section 32-5-312.