A 1.2-mile stretch of the Great Allegheny Passage is going quiet for most of July as crews move in to shore up an unstable hillside beneath Kennywood Park in West Mifflin. The temporary shutdown hits the heavily used bike-and-pedestrian corridor between Duquesne and Homestead and is aimed at cutting the risk of rockfall and landslides, so summer riders will need to reroute or reschedule.
According to CBS Pittsburgh, KDKA reporter Chris DeRose said the segment will be closed for most of July while crews tackle ongoing landslide concerns and clear unstable material. The station’s coverage includes on-the-ground video and comments from local officials about the short-term work.
Where the closure hits
The project is focused on milepost 137 under Kennywood, bracketed by the Whitaker and Port Perry flyovers, a corridor that the Great Allegheny Passage Conservancy has flagged as vulnerable to rockfall and slope movement. As outlined by the GAP Conservancy, trail users in that stretch should keep an eye out for debris and be ready to stop or turn around if conditions change.
Funding and remediation plans
Regional Trail Corporation has applied for Multimodal Transportation Fund dollars to address landslides at the site and is seeking about $3 million for geohazard mitigation work, according to PennDOT. The short July closure appears intended to give crews time to mobilize, evaluate the slope and carry out targeted stabilization in advance of any larger project.
What riders should do
Trail managers are urging riders and walkers to check current alerts before heading out. Local updates will spell out exact closure dates, any parking restrictions and whether shuttles or detours are available, according to Great Allegheny Passage trail alerts. The Conservancy has shut down other sections in recent seasons after slope movement, a reminder that the steep river valleys along the route can shift quickly when the weather turns rough.
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