The common council may modify the method of turning at intersections provided by this article by clearly indicating by buttons, markings, or other direction signs installed within an intersection the course to be followed by vehicles turning thereat. It shall be unlawful for any driver to fail to turn in a manner as so directed. No such signs or buttons shall be placed upon any state highway without approval of the state department of transportation.
(Code 1982, § 23-1103)
State law reference—Similar provisions, SDCL § 32-26-20.