Chapter 63—Speed Regulations

63.01 General
63.02 State Code Speed Limits
63.03 Parks, Cemeteries and Parking Lots
63.04 Special Speed Restrictions
63.05 Minimum Speed

63.01 GENERAL.

Every driver of a motor vehicle on a street shall drive the same at a careful and prudent speed not greater than nor less than is reasonable and proper, having due regard to the traffic, surface and width of the street and of any other conditions then existing, and no person shall drive a vehicle on any street at a speed greater than will permit said driver to bring it to a stop within the assured clear distance ahead, such driver having the right to assume, however, that all persons using said street will observe the law.
(Code of Iowa, Sec. 321.285)

63.02 STATE CODE SPEED LIMITS.

The following speed limits are established in Section 321.285 of the Code of Iowa and any speed in excess thereof is unlawful unless specifically designated otherwise in this chapter as a special speed zone.

  1. Business District – twenty (20) miles per hour.
  2. Residence or School District – twenty-five (25) miles per hour.
  3. Suburban District – forty-five (45) miles per hour.
63.03 PARKS, CEMETERIES AND PARKING LOTS.

A speed in excess of fifteen (15) miles per hour in any public park, cemetery or parking lot, unless specifically designated otherwise in this chapter, is unlawful.
(Code of Iowa, Sec. 321.236[5])

63.04 SPECIAL SPEED RESTRICTIONS.

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 63.02 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. A speed in excess of twenty-five (25) miles per hour is unlawful on any of the following designated streets or parts thereof.
    1. Walnut Street from Cottonwood Street to Vine Street;
    2. Ash Street from Cottonwood Street to Vine Street;
    3. Poplar Street from Cottonwood Street to Vine Street;
    4. Maple Street, beginning from the northern side of the West Corporate Line, east to the northern side of the East Corporate Line;
    5. Cottonwood Street, beginning 780 feet south of the North Corporate Line, south to the South Corporate Line.
  2. Special 35 MPH Speed Zones. A speed in excess of thirty-five (35) miles per hour is unlawful on any of the following designated streets or parts thereof.
    1. West Maple Street, beginning 530 feet west of the southern side of the West Corporate Line, then east 634 feet to the northern side of the West Corporate Line.
    2. East Maple Street, beginning 200 feet west of the southern side of the East Corporate Line, then west 450 feet to the northern side of the East Corporate Line.
    3. Cottonwood Street, beginning 200 feet south of the North Corporate Line, then south 580 feet.
  3. Special 45 MPH Speed Zones. A speed in excess of forty-five (45) miles per hour is unlawful on any of the following designated streets or parts thereof.
    1. West Maple Street, beginning 220 feet east of the southern side of the West Corporate Line, then east 310 feet.
    2. East Maple Street, beginning 200 feet west of the southern side of the East Corporate Line, then west 200 feet to the southern side of the East Corporate Line.
    3. Cottonwood Street, beginning 200 feet south of the North Corporate Line, then north 200 feet to the North Corporate Line.
  4. Special 55 MPH Speed Zones. A speed in excess of fifty-five (55) miles per hour is unlawful on any of the following designated streets or parts thereof. A. West Maple Street, beginning at the southern side of the West Corporate Line, then east 220 feet.
63.05 MINIMUM SPEED.

A person shall not drive a motor vehicle at such a slow speed as to impede or block the normal and reasonable movement of traffic, except when reduced speed is necessary for safe operation, or in compliance with law. (Code of Iowa, Sec. 321.294)