Colorado's seasonal passes

Every Colorado road on the roster, with the dates it has opened and closed year by year. Pick a pass for its full record and this spring's status.

Independence Pass

CO 82 12,095 ft Between Twin Lakes and Aspen, Colorado

Median opening: May 26 · record spans 10 years
Mount Blue Sky Scenic Byway

CO 5 14,130 ft Arapaho National Forest, Colorado

Usually opens Memorial Day weekend, weather permitting; the last miles to the summit can lag into June.
Old Fall River Road

11,796 ft Rocky Mountain National Park, Colorado

Median opening: June 30 · record spans 41 years
Rampart Range Road

Forest Service Road 300 9,200 ft Pike National Forest, Colorado — Garden of the Gods north to the Rampart Range Recreation Area

The Forest Service's target for reopening is April 1, but it says weather can delay the opening until late May. The south end's winter order runs through 11:59 PM on April 1, and a mud-season order is in effect on the recreation area's roads and trails from April 1 to May 31.
Trail Ridge Road

US 34 12,183 ft Rocky Mountain National Park, Colorado

Median opening: May 28 · record spans 95 years

Named roads in Colorado

The byways and toll roads people ask for by name — how long they run, what they climb over, and what their winter looks like.

Alpine Loop

63 mi 12,800 ft Lake City, Silverton and Ouray, San Juan Mountains, Colorado

Gated for the winter · Back Country Byway
Grand Mesa Scenic Byway

CO 65 63 mi 11,000 ft Interstate 70 at Mesa to Cedaredge, western Colorado

Open all year · National Scenic Byway
Guanella Pass

Guanella Pass Road 22 mi 11,700 ft Georgetown to Grant, Arapaho and Pike national forests, Colorado

Gated for the winter · Colorado Scenic and Historic Byway
Lariat Loop

Lariat Trail 40 mi Golden, Morrison and Evergreen, in the foothills west of Denver

Open all year · National Scenic Byway
Million Dollar Highway

US 550 Ouray to Silverton, San Juan Mountains, Colorado

Open all year · Part of the San Juan Skyway, an All-American Road
Mount Blue Sky Scenic Byway

CO 5 49 mi 14,130 ft Idaho Springs to Bergen Park, Arapaho National Forest, Colorado

Gated for the winter · Colorado Scenic and Historic Byway
Peak to Peak Scenic Byway

55 mi Estes Park to Black Hawk and Central City, along the Front Range

Open all year · Colorado Scenic and Historic Byway
Pikes Peak Highway

19 mi 14,115 ft Cascade, Colorado to the summit of Pikes Peak

Open all year · Toll road, operated by the City of Colorado Springs
San Juan Skyway

236 mi Durango, Silverton, Ouray, Ridgway, Telluride and Cortez, southwest Colorado

Open all year · All-American Road
Trail Ridge Road

US 34 43.2 mi 12,183 ft Rocky Mountain National Park, Colorado

Gated for the winter · All-American Road

Watching a spring trip? The opening watch board follows every pass at once.