(a) Common carriers operating railroads and moving locomotives or cars over railroad lines in this state shall equip track motor cars used during the period from 30 minutes before sunset to 30 minutes after sunrise with an electric headlight of such construction and with such candlepower as to render plainly visible, at a distance not less than 300 feet in advance of such track motor car, any track obstruction, landmark, warning sign, or grade crossing which would be plainly visible in daylight to the operator of such track motor car at a distance of 300 feet.

(b) Common carriers referred to in subsection (a) of this Code section shall further equip track motor cars with a red rear light of such construction and with such candlepower as to be plainly visible at a distance of 300 feet.

(c) The commission is authorized and directed to promulgate rules and regulations necessary to carry out and effectuate this Code section.