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Consideration of request to amend the official stop sign map to include the installation of all-way stop control at the 72nd Street intersection with Maple Terrace following the conclusion of a 90-day trial
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Submitted by:
Michael May, PE, PTOE, RSP1
Department:
DPW-Engineering
A. Issue
The existing two-way stop configuration of 72nd Street & Maple Terrace violates driver expectancy, and poor visibility of an unofficial trailhead creates a potential safety situation to intersection users.
B. Background/Options
On July 19, 2023, staff requested consideration to amend the official stop sign map to include the installation of all-way stop control at the 72nd Street intersection with Maple Terrace. At the direction of the Transportation Affairs Committee, a 90-day trial of all-way stop control was initiated. The 90-day trial commenced in August with the installation of additional signs.
The 72nd Street & Maple Terrace intersection looks and feels like a three-leg T-intersection to approaching motorists. The south leg of the intersection (72nd Street) forms the "stem" of the T while the east and west legs (Maple Terrace) form the "top" of the T. The east and west legs of Maple Terrace are controlled by stop signs while the south leg of operates uncontrolled. This layout is unconventional to driver expectation - typically if the "top" of the T is controlled by stop signs the "stem" if the T is also controlled by stop signs. Motorists east and west on the Maple Terrace were observed to stop and then continue through the intersection with the expectation that traffic from the south on 72nd Street will also stop. This is not the case - traffic from the south does not stop and leads to horn blowing.
In response to these observations, staff had considered recommending the removal of all stop signs at the intersection and operating the intersection uncontrolled under normal right-of-way rules. However, upon further observation, the removal of stop signs is ...
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