Md. Code Ann., Transp. § 11-168
“Traffic control signal” means any traffic control device, whether manually, electrically, or mechanically operated, by which traffic alternately is directed to stop and permitted to proceed.
Added by Acts 1977, c. 14, § 2, eff. July 1, 1977. Amended by Acts 1997, c. 315, § 1, eff. Oct. 1, 1997; Acts 2007, c. 411, § 1, eff. Oct. 1, 2007; Acts 2009, c. 423, § 1, eff. Oct. 1, 2009.
Formerly Art. 66 ½, § 1-201.