The purpose of this article is to promote and
maintain safe vehicular speeds on residential streets and to enhance
the livability of neighborhoods. It is the intent of this chapter
that city staff interact with citizens to identify traffic related
problems and solutions thereto.
As used in this article, the following terms
shall have the meanings indicated:
CHOKER
These devices physically reduce the width of the road, thereby
forcing the driver to reduce the vehicle speed to safely travel through
the device.
EDGE LINES MARKINGS
These markings are used to delineate lane widths, thereby
potentially reducing vehicle speeds. The area between the edge of
the road and the lane marking can be used for parking in selected
situations or as a bike lane.
INTERSECTION MODIFICATIONS
Changing the intersection by restricting through movements
or raising the pavement height to effectively regulate vehicle speeds.
These changes can also include reducing the corner radius at the intersections.
MEDIAN OR PEDESTRIAN REFUGE ISLANDS
These devices are generally used with multilane roadways.
They are used to reduce the width of a road which can regulate vehicle
speeds and provide improved pedestrian crossing opportunities.
ROAD MEDIANS
These devices can range in length, width and architectural
features. They are effective in reducing the width of the street and
reducing the turning radius of intersections.
RUMBLE STRIPS
These devices create tire noise and are used primarily to
alert drivers to a change in road conditions.
SPEED HUMPS
These devices are designed to produce an elongated pavement
rise that is designed to allow vehicles to travel over them safely,
at or below the posted speed limit. These devices are typically considered
when the average traffic volumes are greater than 500 vehicles per
day and when 15% of the total volume of the traffic is exceeding the
posted speed limit by five miles per hour or more.
TRAFFIC CALMING
The terminology used to describe various methods of reducing
vehicular speeds and volumes on residential neighborhood streets.
These methods typically require the installation of physical devices
such as traffic circles, rumble strips, edge lines markings and speed
humps that were developed for the purpose of discouraging vehicular
speeding.
TRAFFIC CIRCLES
These devices are generally installed in intersections. The
roadway alignment is deflected around the center island thereby reducing
vehicle speeds.
In the regulation and supervision of traffic,
the Public Works Director is authorized to place, install and maintain
upon the public highways of the city those traffic calming devices
(also known as "traffic control devices") which the Mayor and Council
may direct at the locations designated by the Mayor and Council.
A request for the installation of a traffic
calming device can be made by petition.
A. Petition request.
(1) Residents of a street can submit a petition to the
City Manager requesting that a traffic calming device be installed
on that street. The petition shall define the portion of the street
for which the request for the installation of a traffic calming device
is being made. The petition must be signed by at least 60% of the
households that are located within 500 feet of the requested installation
site and front the street for which the traffic calming device is
requested.
(2) If a traffic calming device is requested for an intersection,
the petition must be circulated to the residents living on all intersecting
streets within 500 feet of the requested installation site.
(3) The City Clerk shall review the petition to determine
the total number of eligible households residing on the street(s)
and shall compute the percentage of households signing the petition.
If that percentage is 60% or greater, the City Clerk shall validate
the petition, forward it to the Director of Public Works and inform
the Mayor and Council that a petition has been validated for the installation
of a traffic calming device at a particular location.
B. To assist residents in petitioning for traffic calming
devices, the City Clerk is authorized to develop and distribute a
standard petition form to request the installation of a traffic calming
device.