Seasonal closure · US-34 · Colorado
Park road. Usually closes mid to late October and reopens the last week of May. Below: what the COtrip feed is posting for US-34 right now, and the dates the National Park Service gives, quoted from its own page. This is a park road inside Rocky Mountain National Park. The Park Service runs it, and the state feed may not carry its gate.
“Trail Ridge Road normally opens the last week in May, weather permitting.”
Source: www.nps.gov/romo/learn/news/trail-ridge-road-is-closed-to-through-travel-for-the-2023-season.htm, read October 2, 2026.
Colorado's DOT traveler site. The list of record for closures, restrictions and detours.
Park roadThe Park Service decides when this road closes and reopens. Its page carries the current status.
Winter roundupEvery seasonal closure MileCheck lists for Colorado, with the dates each agency gives.
Road conditionsEvery closure and crash COtrip is posting, on one map with the mile marker.
Mid/late October (2023: Oct. 18) That is what the National Park Service publishes, read October 2, 2026. The gate goes in when the snow does, so the date moves from year to year. No 2026-27 dates were posted on the source page when it was read.
Normally the last week in May Plowing and avalanche work set the day, and the agency announces it when the road is ready.
Estes Park to Grand Lake through Rocky Mountain NP; closes at Many Parks Curve (east) and Colorado River Trailhead (west). The rest of US-34 is handled like any other road in Colorado.
COtrip is the official source for the state highway, and the Park Service page for Rocky Mountain National Park carries the park road's status. The block at the top of this page reads the same COtrip feed every five minutes and lists what is posted for US-34. If the feed cannot be reached, the page says so instead of showing an empty list.
The app shows the same COtrip alerts on your route, ahead of your position, with the mile marker you are passing. The mile marker works offline in all 50 states. Live alerts are part of MileCheck Premium.
Your mile marker shows even offline. COtrip alerts on your route and the nearest camera are part of MileCheck Premium and need a connection to update. Runs on CarPlay and Android Auto.
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