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Wichita staff presents traffic-calming pilot showing roughly 4 mph speed reduction
Summary
City transportation staff told the council a pilot of tubular markers, curb extensions and lane reductions reduced speeds by about 4 mph on treated corridors and described costs (about $3,500 temporary per pair; $20,000 permanent) and funding from a neighborhood improvement program, with future installs likely special assessed.
Paul Gunzelman, a city staff presenter, told the Wichita City Council that a recent set of traffic-calming trials produced measurable but modest speed reductions and outlined costs and next steps. "These techniques resulted in approximately a 4 mile an hour speed reduction along the corridor," Gunzelman said during a staff presentation.
Gunzelman said staff deploys a range of measures — tubular markers, curb extensions, raised intersections and lane reductions — after engineers evaluate speed and crash data and local street geometry. He described temporary tubular markers used on 2nd Street and other corridors, saying a temporary pair costs approximately $3,500 to install while a permanent concrete pair runs about $20,000. He said the pilot…
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