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SPEED CONTROL DEVICE POLICY
It is the policy of
Deerfield Township to consider requests for speed control device devices (i.e.,
speed tables, speed control devices, etc.) as outlines below:
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Residents who desire the installation of speed
control devices may request that the Township initiate a feasibility study.
This may be accomplished by submitting a written request to the Director of
Public Works. Upon receipt of a written request the Director of Public Works
in concert, where appropriate, with the office of the County Engineer will
determine the speed control device study area. The speed control device
study area shall include all properties that would reasonably be affected by
the installation of any proposed speed control devices.
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The Director of Public Works will provide the
individual(s) requesting the feasibility study a copy of the designated
speed control device study area. A petition bearing the signatures, printed
name and address of at least 60% of the property owners residing in the
speed control device study area where the speed control devices are
requested shall be submitted to the Township before further action on the
speed control device request is taken. The petition shall include a
statement indicating the street name(s) that the speed control devices are
requested and a signature line for each resident signing the petition with
their street address. Only one signature will be counted per residence.
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The street upon which the speed control
devices are to be installed shall be:
a.
Classified as a local I or local II
street within the current Warren County Streets and Roadway Standards.
b.
Residential in nature with a posted
speed limit of 25 mph.
c.
Determined to have a minimum average
daily traffic (ADT) of 500 vehicles per day and a maximum ADT of 2,500 vehicles
per day.
d.
Determined to have a vertical
profile (grade) of less than ten percent (10%).
Local streets with ADT exceeding 2,500 vehicles per day will not be considered
for speed control devices. Speed control devices will not be permitted for
arterial and collector streets as identified by the current Warren County Street
and Roadway Standards.
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The Director of Public Works/County Engineer
will review the traffic on the street when a valid request through
petitioning is made. Components of this review may include traffic counts,
speed studies and accident analysis. Alternative traffic control options
will be evaluated as part of this review. The 85th percentile
speed on the street where the speed control devices are requested must
exceed the posted speed limit by at least 5 mph in order to be considered
for speed control devices.
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The Director of Public Works, in analyzing the
request for speed control devices, shall be responsible for soliciting input
from emergency services, utilities (private and public) and other key
agencies. The Board of Trustees may determine that the installation of speed
control devices on a street is not feasible due to the disruption of
emergency response equipment and other essential services.
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When the above criteria for speed control
devices are met, the Township shall send out a “Speed Control device Survey”
to all residents within the affected study area, as defined by the County
Engineer asking residents if they support the installation of speed control
devices. The survey will include an area indicating a “yes” or “no” vote and
a minimum of 60% of the properties in the affected area must approve the
installation of speed control devices.
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Existing speed control devices may be removed
if a petition with signatures from 60% of the affected properties is
obtained, or where traffic circulation and safety concerns justify their
removal as determined by the Board of Trustees.
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