§ 91.030 SAFEGUARDS.
   (A)   All openings, excavations and obstructions shall be properly and substantially barricaded and railed off and, at night, shall be provided with red warning lights.
   (B)   Warning lights perpendicular to the flow of traffic shall not be more than three feet apart and parallel to the flow of traffic not over 15 feet apart.
(1979 Code, § 4.23) Penalty, see § 91.999