(a) The city manager is hereby empowered to make and enforce regulations governing traffic in cases of emergency or special conditions of a temporary character which, in the opinion of the city manager, the public safety, convenience and expedition of traffic may demand, which regulations shall be effective for the duration of such emergency or such condition and no longer.

    (b) The city traffic engineer, with approval of the director of public works and the city manager, may test experimental traffic control regulations and/or devices under actual conditions of traffic for a specified length of time not to exceed ninety (90) days, unless such regulation be continued in effect by the council by duly enacted ordinance.

    (c) The city traffic engineer shall keep a record in his office of all regulations made under the authority of subsection (b) of this section, which shall be open for public inspection.

(Code 1964, § 12.065)

     State law reference(s)--Similar provisions, RSMo. § 300.065.