Addison Council directs staff to lower Quorum Drive speed and pursue safety measures; master transportation plan study to follow

Addison City Council members directed staff on May 6 to lower the posted speed on a segment of Quorum Drive and to pursue additional pedestrian and visibility measures while the town’s master transportation plan completes a broader review.

Becky, the town’s director of engineering, presented driver-feedback radar data collected at a southbound sign near Morris Avenue. She reported a median speed of 28 mph for the sample period and said the 85th-percentile speed — the speed at or below which 85% of drivers travel — was 33 mph. Becky noted Federal Highway Administration guidance that recommends engineering countermeasures rather than enforcement alone to reduce speeds and improve safety.

Residents and council members described frequent cut-through traffic, a dense tree canopy that reduces sight lines and concerns about buses and commercial vehicles passing close to sidewalks. Councilmember Howard Free summarized resident feedback and said he believed a 20-mph limit would be best for the…