12.100.020: AUTOMATIC SIGNAL DEVICES; TYPES AND SPECIFICATIONS:
   A.   The automatic mechanical warning devices at Second South Street and Fifth West Street and at Eighth South Street and Fifth West Street shall consist of cantilever style railroad crossing signals which extend an arm with a flashing light overhead on either side of the roadway into the intersection when rail traffic is approaching the crossing.
   B.   The automatic mechanical warning devices at the crossing at Sixth South Street and Fifth West Street shall consist of automatic flashing light signals to be located on both sides of the roadway adjacent to the railroad tracks of the said railroad company.
   C.   The signals at each of such crossings shall be so constructed as to be automatically actuated by engines and cars on the tracks of the railroad company, and shall be located and adjusted so as to adequately and safely provide warning of the approach of all rail traffic at such crossings. (Prior code § 35-2-7)