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County engineers recommend roundabouts, preemptive bus signal for Southwest 80th Avenue near Westport High
Summary
Marion County engineers presented a widening and intersection-improvement plan for Southwest 80th Avenue that includes roundabouts and a preemptive signal for school buses to improve safety and reduce severe crashes; the board asked for parent outreach and construction-timing details.
Marion County engineers outlined plans to widen Southwest 80th Avenue near Westport High School and to add safety features including roundabouts at key intersections and a preemptive traffic signal at the high school bus driveway.
The engineers, introduced by Xavier Baleridi, said the design will provide 12-foot travel lanes, 4-foot bike lanes and a 12-foot shared-use path along the school. They presented two intersection alternatives and recommended roundabouts for safety reasons, saying roundabouts typically "reduce fatal and serious injury crashes by about, like, 78 percent." The county also proposed rectangular rapid-flashing beacons and pedestrian warning signs at crosswalks…
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