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How to Avoid Labor Day Traffic on I-70 in the Colorado Mountains

As the four-day Labor Day weekend will mark one of the busiest traffic times of the year in the Interstate 70 mountain corridor, a little planning can help motorists avoid the worst.

Westbound traffic, measured by vehicles passing through the Eisenhower Tunnel last year, was the worst on Friday (30,249) and Saturday (26,659). Eastbound traffic through the adjacent Johnson Tunnel totaled 25,949 on Sunday and 30,517 on Monday. In total, nearly 184,000 vehicles passed through the tunnels over the weekend.

Westbound traffic tends to be heaviest from mid-morning to late afternoon on Fridays and from 7 a.m. to mid-afternoon on Saturdays. Eastbound traffic on Labor Day is typically heavy from mid-morning to late afternoon.

On Friday Labor Day weekend last year, the busiest times for westbound traffic were noon to 1 p.m. and 2 to 6 p.m., including a peak of 2,386 vehicles ( nearly 40 per minute) from 4 p.m. to 5 p.m. Westbound traffic on Saturday peaked. from 1:00 p.m. to 2:00 p.m. with 2,248 vehicles, but continued to run heavy until 5:00 p.m.

Sunday eastbound was rough from 1-2pm and 3-6pm with around 2,100 vehicles per hour, but was much heavier eastbound on Monday. The busiest eastbound hours on Monday were 10 a.m. to 1 p.m., peaking at 2,952 vehicles from 11 a.m. to noon – nearly 50 per minute – but traffic continued to exceed 2,000 per hour until 7 p.m. .

CDOT reminds motorists to monitor weather reports and COtrip.org to check conditions in Glenwood Canyon, which will be closed if a flash flood warning is declared by the National Weather Service to avoid the danger of flooding and mudslides in the Grizzly Creek burn. scar.

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