KUSA - Coming down to Denver from the mountains should be a pretty fast drive Saturday morning.
All three eastbound lanes of Interstate 70 through the new-and-improved Twin Tunnels project are now open.
The $106-million project added one lane between Idaho Springs and U.S. 6, widened the shoulder, improved lighting and expanded the entrance.
The project took eight months and ended two weeks ahead of schedule.
The Colorado Department of Transportation plans to expand the westbound side too, but that project won't start until 2014.
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