305.05 TRAFFIC LANES.
   (a)   The Chief of Police is hereby authorized to mark traffic lanes upon the roadway of any street or highway where a regular alignment of traffic is necessary.
   (b)   Where such traffic lanes have been marked, no operator of any vehicle shall fail or refuse to keep such vehicle within the boundaries of any such line, except when lawfully passing another vehicle or preparatory to making a lawful turning movement.
(1974 Code Sec. 3-47)