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Lane closures at Twin Tunnels on I-70 slow mountain traffic

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CLEAR CREEK COUNTY, Colo. — If you’re heading up to the high country this weekend, there might be some pain before pleasure.

CDOT announced a new round of short, temporary closures on I-70 at the Twin Tunnels, just outside of Idaho Springs.

Prep work has begun to lengthen and widen the Westbound tunnel, just a few months after the eastbound tunnel was improved.

A third lane will be added to the westbound side, but will not, yet, be put into use for drivers.

The $55-million project is designed to ease congestion along the I-70 corridor and should be completed by Christmas.

Detours start April 1.

A double-lane closure for eastbound lanes goes from 7 a.m. to noon, Friday.