In accordance with requirements of the Iowa Department of Transportation, or whenever the Council shall determine upon the basis of an engineering and traffic investigation that any speed limit listed in Section 60.04.02 is greater or less than is reasonable or safe under the conditions found to exist at any intersection or other place or upon any part of the City street system, the Council shall determine and adopt by ordinance such higher or lower speed limit as it deems reasonable and safe at such location. The following special speed zones have been established:
(Code of Iowa, Sec. 321.290)
1. Special 25 MPH Speed Zones. (Repealed by Ord. 19-04 – Jul. 19 Supp.)
2. Special 30 MPH Speed Zones. A speed in excess of 30 miles per hour is unlawful on any of the following designated streets or parts thereof.
A. 63
rd
Street. 63
rd
Street, from the south line of Hickman Avenue to the south line of University Avenue.
B. University Avenue. University Avenue, from the east corporate limits to the west corporate limits.
3. Special 35 MPH Speed Zones. A speed in excess of 35 miles per hour is unlawful on any of the following designated streets or parts thereof.
A. 73
rd
Street. 73
rd
Street, from the south corporate limits to the south line of University Avenue;
B. 63
rd
Street. 63
rd
Street, from the south line of University Avenue to the south corporate limits.
4. Interstate 235. Notwithstanding any speed restrictions contained in this Traffic Code, the following speed restrictions apply to Interstate Highway 235 when official signs are erected giving notice thereof:
A. Maximum Speed. No person shall operate a vehicle on said highway at a speed in excess of 60 miles per hour.
B. Minimum Speed. No person shall operate a vehicle on said highway at a speed less than 40 miles per hour.
C. Vehicle Capability. No person shall operate any vehicle, implement, or conveyance on said highway which is incapable of obtaining and maintaining a speed of 40 miles per hour.