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Consideration of request from Engineering Division to install stop signs on the 120th Street approaches to Vliet Street, the 121st Street approaches to Vliet Street, the 123rd Street approaches to Vliet Street, the Cherry Street approaches to 123rd Street, the Elmhurst Parkway approaches to 117th Street, and 121st Street approaches to Elmhurst Parkway
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Submitted by:
Michael May, PE, PTOE, RSP1
Department:
DPW - Engineering
A. Issue
Visual obstructions may block lines of sight and may not allow a road user to yield or stop in compliance with the normal right-of-way rule.
B. Background/Options
The City has adopted a policy that follows national standards related to the installation of yield and stop signs. The policy allows residents to request consideration for stop signs when they believe a condition, as described in the Manual on Uniform Traffic Control Devices (MUTCD), has been met. Staff received a request to determine if stop control is appropriate at the following intersections and analyzed if such traffic control is warranted:
* 120th Street & Vliet Street (no existing control)
* 121st Street & Vliet Street (existing yield control)
* 123rd Street & Vliet Street (no existing control)
* 123rd Street & Cherry Street (no existing control)
* 117th Street & Elmhurst Parkway (no existing control)
* 121st Street & Elmhurst Parkway (no existing control)
The warrants for two-way stop control are outlined below.
* Traffic Volumes: The combined volume of all vehicular, pedestrian, and bicycle volume entering from all approaches averages more than 2,000 units per day. This warrant was not analyzed.
* Vision Issue(s): Ability to see conflicting traffic on an approach is not sufficient to allow a road user to yield or stop in compliance with the normal right-of-way rule.
o 120th Street & Vliet Street: The location of the house and a hill in the southwest corner blocks adequate lines of sight.
o 121st Street & Vliet Street: The location of houses in the...
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