Overnight road closures planned on Newpark Boulevard and Silver Summit Drive
Newpark Boulevard and Silver Summit off Highway 40 were both set to close at 10 p.m., putting Kimball Junction access, late shifts and weekend traffic at risk.
Summit County drivers heading through Park City and the Snyderville Basin faced overnight delays Friday as Newpark Boulevard and Silver Summit off Highway 40 both closed at 10 p.m. for separate road projects. Hotel guests, hospitality workers, late-night event traffic and businesses that depend on steady access through Kimball Junction were in the path of the same weekend work.
Summit County’s Roads Dash at summitcounty.info/roadsdash lists planned 2026 road projects, timelines and anticipated traffic impacts across the county. UDOT’s Wasatch Back road-information area covers the stretch from the mouth of Parley’s Canyon on I-80 to Park City and directs travelers to road-status updates.
Newpark Boulevard cuts through a heavily used commercial and lodging area near hotels, retail and visitor stays, while Silver Summit connects into the transportation network serving Park City, Silver Creek Junction and the Highway 40 corridor. The closures affect workers finishing late shifts and drivers trying to move between Park City neighborhoods and surrounding communities before morning traffic returns.
Work began in June 2024 on the Silver Summit roundabout at Exit 2 of Highway 40. UDOT is also planning an eastbound I-80 to US-40 on-ramp upgrade near Kimball Junction that would add a 12-foot eastbound auxiliary lane from the Kimball Junction on-ramp to the Silver Summit off-ramp. Separate maintenance work on US-40 in the East Basin is aimed at improving culverts, replacing storm drains and fixing drainage problems caused by sediment- and floodwater-laden runoff.
Repeated lane, ramp and bridge work has hit the Kimball Junction and Silver Creek Junction corridor in recent years.
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