§ 77.01  SPEED RESTRICTIONS.
   (A)   In accordance with requirements of the State Department of Transportation, or whenever the Council shall determine upon the basis of an engineering and traffic investigation that any speed limit listed in § 71.031 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 a higher or lower speed limit as it deems reasonable and safe at the location.
   (B)   The following special speed zones have been established.
(Iowa Code § 321.290)
      (1)   Special 25 mph speed zones.  A speed in excess of 25 mph is unlawful on any of the following designated streets or parts thereof.
 
#
Street
Restricted Area
Ord.
Date Passed
1
111th Street
South of Douglas Avenue
2
Dennis Drive
West of 100th Street
 
      (2)   Special 30 mph speed zones.  A speed in excess of 30 mph is unlawful on any of the following designated streets or parts thereof.
 
#
Street
Restricted Area
Ord.
Date Passed
1
All present and future frontage roads
East and west of 86th Street
2000-24
9-5-2000
2
Douglas Avenue
From the west side of 79th Street east to the east corporate limits
3
Merle Hay frontage road
Located on the west side of Merle Hay Road and which runs from approximately Station 139+50 to Station 180+73
 
      (3)   Special 35 mph speed zones.  A speed in excess of 35 mph is unlawful on any of the following designated streets or parts thereof.
 
#
Street
Restricted Area
Ord.
Date Passed
1
70th Street
From Aurora Avenue to Meredith Drive
2
72nd Street
From south of Benton Drive to Hickman Road
3
72nd Street
From Meredith Drive to the north city corporate limits
4
86th Street
From Hickman Road to north corporate limits
5
100th Street
From the south city limits at Hickman Road to the north city limits (and for all existing and future sections of 100th Street)
6
104th Street
From Hickman Road to Douglas Avenue
2005-09
5-10-2005
7
106th Street
Entire
8
109th Street
Entire
9
112th Street
From Aurora Avenue to Meredith Drive
2005-09
5-10-2005
10
114th Street
Between Douglas Avenue and Meredith Drive
11
121st Street
From Douglas Parkway to Meredith Drive
2005-09
5-10-2005
12
128th Street
Between Hickman Road and the north corporate limits
2003-21; 2010-07
10-14-2003; 6-29-2010
13
142nd Street
From Hickman Road to Meredith Drive
2005-09; 2005-18
5-10-2005; 8-16-2005
14
142nd Street
From the south corporate limits to the north corporate limits
2014-13
8-5-2014
15
156th Street
From south corporate limits to north corporate limits
2014-05
4-1-2014
16
Aurora Avenue
From 128th Street to 142nd Street
2005-18
8-16-2005
17
Colby Parkway
From 86th Street to Colby Woods Drive
2005-09
5-10-2005
18
Douglas Avenue
Between 109th Street to 128th Street
2003-21
10-14-200 3
19
Douglas Parkway
Between 128th Street and the west corporate limits
2004-26; 2005-09; 2005-18
10-26-2004; 5-10- 2005; 8-16-2005
20
Hickman Road
From the east corporate limit to 1,210 feet east of the Walnut Creek Bridge
2019-06
4-23-2019
21
Justin Drive
From 100th Street to 109th Street
2005-09
5-10-2005
22
Meredith Drive
From the west right-of-way line of Merle Hay Road to 86th Street
23
Meredith Drive
From 86th Street to the west corporate limits
2014-05
4-1-2014
24
Merle Hay Road
From Aurora Avenue to 800 feet north of Aurora Avenue
2000-24
9-5-2000
25
Northpark Drive
Between 86th Street and 100th Street
2009-16
9-8-2009
26
NW Urbandale Drive
From Interstate 35/80 to Douglas Avenue
27
Plum Drive
From 86th Street to NW Urbandale Drive
2009-16
9-8-2009
28
Prairie Drive
Between 106th Street and 109th Street
2005-09
5-10-2005
29
NW 54th Avenue
Between the east corporate limits to 100th Street
2006-21
11-7-2006
30
Waterford Road
From 142nd Street to the west corporate limits
2014-05
4-1-2014
31
170th Street
From the south corporate limits to Waterford Road
2019-10
7-16-2019
32
170th Street (northbound)
From the Waterford Road to 600 feet North of Waterford Road
2019-10
7-16-2019
 
      (4)   Special 40 mph speed zones.  A speed in excess of 40 mph is unlawful on any of the following designated streets or parts thereof.
 
#
Street
Restricted Area
Ord.
Date Passed
1
Hickman Road
From 1,210 feet east of the Walnut Creek Bridge midpoint to 1,725 feet west of 86th Street
2019-06
4-23-2019
2
Merle Hay Road
From 800 feet north of Aurora Avenue to the north corporate limits
2000-24
9-5-2000
 
      (5)   Special 45 mph speed zones.  A speed in excess of 45 mph is unlawful on any of the following designated streets or parts thereof.
 
#
Street
Restricted Area
Ord.
Date Passed
1
Douglas Parkway
From 109th Street to the west side of 79th Street
2003-21; 2004-26; 2005-18
10-14-2003; 10-26-2004; 8-16-2005
2
Hickman Road
From 1,725 feet west of 86th Street to 940 feet west of 100th Street
2019-06
4-23-2019
3
Meredith Drive
From 156th Street to the west corporate limits
2005-14; 2005-18
7-5-2005; 8-16-2005
4
Hickman Road
From 250 feet east of 111th Street to 565 feet west of 128th Street
2019-06
4-23-2019
 
      (6)   Special 50 mph speed zones.  A speed in excess of 50 mph is unlawful on any of the following designated streets or parts thereof.
 
#
Street
Restricted Area
Ord.
Date Passed
1
Hickman Road
From 940 feet west of 100th Street to 250 feet east of 111th Street
2019-06
4-23-2019
2
Hickman Road
From 565 feet west of 128th Street to the west corporate limits
2019-06; 2019-19
4-23-2019;
11-19-2019
 
      (7)   Special 55 mph speed zones.  A speed in excess of 55 mph is unlawful on any of the following designated streets or parts thereof.
      (8)   Special 25 mph school speed zone.  A speed in excess of 25 mph is unlawful on any of the following designated street or parts thereof during the designated school speed limit hours.
 
#
Street
Restricted Area
Ord.
Date Passed
1
128th Street
From 100 feet south of Aurora Avenue to 200 feet north of Valdez Drive
2006-10
8-15-2006
2
156th Street
From 200 feet south of Winston Avenue to 1,150 feet north of Aurora Avenue
2005-09
5-10-2005
3
Douglas Parkway
From 800 feet west of 131st Street to 750 feet east of 129th Street
2005-09
5-10-2005
4
Douglas Parkway
From the west corporate limits to 100 feet east of the west corporate limits
2012-06
5-1-2012
5
170th Street
From 2,400 feet north of Meredith Drive to 1,500 feet south of Waterford Road
2019-10
7-16-2019
6
Aurora Avenue
From 1,320 feet west of 128th Street to 128th Street
2020-21
12-15-2020
 
(1999 Code, § 63.04)  (Ord. 2000-24, passed 9-5-2000; Ord. 2003-21, passed 10-14-2003; Ord. 2004-26, passed - -; Ord. 2005-09, passed 5-10-2005; Ord. 2005-13, passed 7-5-2005; Ord. 2005-14, passed 7-5-2005; Ord. 2005-18, passed 8-16-2005; Ord. 2006-10, passed 8-15-2006; Ord. 2006-21, passed 11-7-2006; Ord. 2009-16, passed 9-8-2009; Ord. 2010-07, passed 6-29-2010; Ord. 2012-06, passed 5-1-2012; Ord. 2014-05, passed 4-1-2014; Ord. 2014-13, passed 8-5-2014; Ord. 2019-06, passed 4-23-2019; Ord. 2019-10, passed 7-16-2019; Ord. 2019-19, passed 11-19-2019; Ord. 2020-21, passed 12-15-2020)  Penalty, see § 10.99