Township of Radnor, PA
Delaware County
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Table of Contents
Table of Contents
[HISTORY: Adopted by the Board of Commissioners of the Township of Radnor 2-26-2001 by Ord. No. 2001-11. Amendments noted where applicable.]
Vehicles and traffic — See Ch. 270.
[Amended 5-23-2005 by Ord. No. 2005-05]
The purpose of this policy is to establish guidelines for the installation of traffic calming systems on Township-owned roadways. Such systems shall be specifically designed to reduce the speed, but not necessarily the volume, of motor vehicle traffic in residential areas, nor is their purpose to move traffic to adjoining roadways. Traffic calming measures shall also consist of enforcement and education activities by the Police Department.
[Amended 5-23-2005 by Ord. No. 2005-05]
For the purpose of this chapter, except as may otherwise be determined under § 262A-5M herein, "speed hump" shall be synonymous with "traffic calming system" or "traffic calming measure." A speed hump shall be a raised hump in the pavement extending across the width of the roadway at a right angle to the direction of the flow of traffic.
It is the policy of the Township to install speed humps on streets in accordance with the procedures and criteria listed in §§ 262A-4 and 262A-5 herein.
[Amended 5-23-2005 by Ord. No. 2005-05]
Applicants may request that a study be conducted to construct speed humps in a particular neighborhood. Requests shall be submitted in writing, along with a petition described below, to the Superintendent of Police for consideration at the next available meeting of the Staff Traffic Committee (the "Committee"). Such requests shall be submitted a minimum of 30 days before the Committee meeting at which they will be discussed.
All adult residents of the affected streets pursuant to Subsection A(2) below, must be contacted by the applicants and advised that speed humps are being considered for their street.
A signed petition must be submitted reflecting the support of a minimum of 80% of the residents of households on the street on which humps are proposed to be installed and a minimum of 60% of the residents of households located on streets or cul-de-sacs whose only access is via the street on which humps are proposed to be installed.
Only one adult signature per household, apartment or business will be considered on the petition.
[Amended 5-23-2005 by Ord. No. 2005-05]
The following criteria shall be used to limit speed humps to areas where they will be most effective and practical:
Speed humps will not be installed on state roadways.
The legally posted speed limit on the street shall not exceed 25 miles per hour (mph).
The minimum length of the street, or portion thereof, measured from the nearest intersecting street, shall be at least 1,000 feet.
The average daily traffic (ADT) shall not be less than 1,000 vehicles per day, which shall be determined by a seven-day automated traffic count conducted by the Department's Traffic Safety Unit. Manual counts may be instituted at the Department's discretion.
The average vehicle speed (based upon the 85th percentile of the speeds recorded during the traffic count) shall not be less than five mph over the legally posted speed limit, which shall be determined by a seven-day automated traffic count.
The Department will analyze the number of accidents on the affected roadway over the most recent three-year period to ascertain the extent to which excessive or unsafe speeds were a major contributing factor.
The distance between speed humps shall not be less than 250 or greater than 600 feet apart; provided, however, that should an intersection controlled by a stop sign or yield sign be located on the affected roadway, the distance between humps may exceed 600 feet. The existing stop sign or yield sign may be reevaluated to see if it continues to meet the warrants of the State of Pennsylvania after the installation of humps.
Speed humps shall not be less than 150 feet from an intersecting roadway or within 250 feet of a signalized intersection.
Speed humps shall not be installed on hills or curves that could affect the safe control of vehicles.
Speed humps shall traverse the entire roadway, allowing one foot on each side for the flow of storm water.
Speed humps shall be no less than 12 feet in width.
Signs indicating HUMP shall be erected in each direction at the location of the hump and a sufficient distance before the hump to warn approaching motorists. For increased visibility, reflective stripes shall be painted on the humps.
Other traffic calming measures:
Notwithstanding whether or not a petition has been submitted under § 262A-4, nothing herein shall limit the Township's right to unilaterally consider and install any traffic calming measures whatsoever, including but not limited to speed humps, bulb outs, chicanes, raised crosswalks, etc., as it may deem necessary to protect the health, safety, and welfare of a specific neighborhood or the public in general.
This section shall apply to any street within the Township, especially streets where the Township determines there is a high concentration of pedestrian and vehicular traffic, such as those near schools, parks and recreation areas, churches, and business districts.
The Township shall notify the residents and businesses on any streets for which such traffic calming measures are being considered to permit their input before such measures are approved and installed.
All decisions regarding whether or not to recommend the installation of speed humps shall be made by the Committee in accordance with the criteria contained herein.
All Committee recommendations to install speed humps in the petitioned area shall be subject to final approval by the Board.