Excavation in streets and alleys shall be made in such manner as to impede travel as little as possible. Red lights shall be maintained on all unfinished work, at night, from dark until sunrise, and sufficient barricades shall be in place at all times until the work is completed, to prevent any persons from injury, in coming upon or crossing such work.
(1999 Code, § 8-324) Penalty, see § 92.999