DENVER (CBS4) – Starting as early as Monday there will be some lane closures on Interstate 70 for work on the westbound Twin Tunnels project.

The Colorado department of Transportation will widen the westbound tunnel to accommodate future expansion in the I-70 corridor.

Before crews can begin the blasting work that will widen the tunnel and remove a portion of the rock face walls above the westbound tunnel, traffic must be rerouted from the westbound bore into the eastbound bore.

To accommodate this crews will put down temporary pavement in the center median area on both sides of the tunnel to transition westbound traffic into and out of the eastbound lanes.

“With this year’s record snowfall in the mountains we realize how important it is to keep traffic moving during the spring break ski season, so we will only close lanes during off-peak travel times and we will monitor traffic flow so we can make adjustments as needed,” said CDOT Project Manager Benjamin Acimovic.

Tunnel widening work is scheduled to be complete by the end of this year.


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