Experts suggest Twin Tunnels fixes – all spendy | SummitDaily.com
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Experts suggest Twin Tunnels fixes – all spendy

by Jeffrey Leib
the denver post
ABOVE: Traffic travels eastbound on I-70 at the twin tunnels just east of Idaho Springs. CDOT officials are studying ways to ease traffic congestion along the I-70 corridor. Photo by Helen H. Richardson/The Denver Post
ALL | THE DENVER POST

GOLDEN – After a week of collaboration, a team of construction experts presented their preferred option for improvements to the Twin Tunnels on Interstate 70 to help lessen congestion in the mountain corridor.

The recommended package has an estimated cost of $55 million and would widen the eastbound tunnel bore to three lanes. The 45 mph curve in the eastbound lanes just west of the Hidden Valley Exit would be flattened to allow for 55 mph traffic.

During tunnel construction, eastbound lanes would be detoured to the south to use the paved frontage road – the old U.S. 40 and a county road.

The package also calls for adding a third eastbound lane from Idaho Springs to Floyd Hill.

Read more at http://www.denverpost.com/breakingnews/ci_17482277


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