Whenever the City Commission designates any street or alley
or part thereof as a one-way street or alley, the city shall have
placed or maintained signs giving notice thereof; and no such regulation
shall be effective unless such signs are in place. Signs indicating
the direction of lawful traffic movement shall be placed at every
intersection where movement of traffic in the opposite direction is
prohibited.
Upon those streets and parts of streets and in those alleys
and parts of alleys so designated as one-way streets and alleys, vehicular
traffic shall move only in the indicated direction when signs indicating
the direction of traffic are erected and maintained at every intersection
where movement in the opposite direction is prohibited.
A vehicle passing around a rotary traffic island shall be driven
only to the right of such island.