A. The Town manager or his designee shall direct the placement and maintenance of traffic control devices, signs and signals when and as required under the traffic regulations of the Town to make effective the provisions of said regulations, and may place and maintain such additional traffic control devices as he may deem necessary to regulate traffic under the traffic laws of the Town or under state law or to guide or warn traffic. The authority of the Town manager or his designee to place and maintain signs under this chapter shall not include authority to post signs setting speed limits on any part of a street or highway within the Town different from the speed limits specified in A.R.S. Title 28, Article 6, Chapter 6 unless the council has first adopted an ordinance in conformance with the provisions of A.R.S. § 28-703 authorizing a change of speed limit on such part of a street or highway within the Town.

B. The driver of any vehicle shall obey the instructions of any official traffic control device applicable thereto placed in accordance with the traffic regulations of the Town unless otherwise directed by the Town law enforcement agent, subject to the exceptions granted in this chapter or by state law.

C. Speed Limit List. Pursuant to this section and A.R.S. § 28-703, the Town has determined on the basis of engineering and traffic investigation that the maximum speed permitted on certain streets within the Town can be declared to be reasonable and safe at speeds in excess of 25 miles per hour. The following table sets forth the maximum speed limit for certain streets within the corporate limits of the Town and the segments of said streets affected by the increased maximum safe and reasonable speed limits: