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Traffic backed up on I-70 in the Colorado mountains due to the Straight Creek culvert construction project, with visible lane closures and reduced speed limit signs.

I-70 Straight Creek Culvert Project: Expect Delays

Despite official assurances of 'minimal traffic impacts,' drivers on I-70 between Silverthorne and the Eisenhower Tunnel will face a 45-mile-per-hour speed limit and daily lane closures starting June

Eleanor Hayes·June 2, 2026

Aerial view of I-70 near Dillon Dam showing ongoing construction at Exit 203, highlighting the mountainous Colorado landscape.

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CDOT announces I-70 Exit 203 overhaul near Dillon Dam

Frisco's I-70 Exit 203, a notorious bottleneck, is set to undergo an 18-month, $27.

Khalid El-Sayed·May 31, 2026