Mississippi Code Title 63. Motor Vehicles and Traffic Regulations § 63-3-1305

(1) For purposes of this section, “bicycle lane” means a portion of the roadway or a lane separated from the roadway that has been designated by striping, pavement markings and signage for the preferential or exclusive use of bicyclists.

(2) Whenever a bicycle lane has been provided adjacent to a roadway, the operator of a motor vehicle may not block the bicycle lane to oncoming bicycle traffic and shall yield to a bicyclist in the bicycle lane before entering or crossing the lane.

(3) This section does not apply to vehicles engaged in providing public services, including, but not limited to, fire engines, police vehicles, ambulances, public utility vehicles, waste management trucks and tow trucks.