Two-year I-25 widening project begins Tuesday in Douglas County


I-25 Interstate 25 Lone Tree Douglas County

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LONE TREE, Colo. -- Beginning Tuesday and for the next two years, a busy, three-mile stretch of Interstate 25 will be under construction.

The project will widen I-25 from Lincoln Avenue to County Line Road from three lanes to four in each direction. The Colorado Department of Transportation says that stretch of I-25 sees up to 200,000 cars a day.

Because there is so much traffic here, CDOT says its goal is to have all three lanes open at peak times. However, some weekend and nighttime lane closures will likely happen. On top of the additional lanes on I-25 from County Line to Lincoln, the on- and off-ramps at County Line, C-470 and Lincoln will go from one lane to two.

Drivers will have to navigate through the construction zone until December 2016. The $35 million project is funded by CDOT, Douglas County and the city of Lone Tree.

A couple of weeks ago, CDOT began a pilot program of a direct lane heading south. The purpose of the direct lane is to reduce lane hopping and traffic weaving. CDOT is testing it and if it gets positive results, it might be incorporated with the final layout.

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