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Northbound / Southbound I-25 Ramp Full Closures at Westbound C-470 on January 15, 16 and 17

Information courtesy of CDOT

cars driving west on C-470 - C-460 Express Lanes Construction Look Ahead

Northbound and Southbound I-25 ramps to westbound C-470 closed January 15, 16 and 17 from 10 p.m. to 5:30 a.m.

Closures are necessary to perform wall excavation work as part of the C-470 Express Lane project.  Detours are approximately 4.16 miles long, see map below.

Follow detour signs accordingly and go slow for the cone zone.  Construction activities are weather dependent and the schedule is subject to change.

Northbound and Southbound I-25 ramps to Westbound C-470 detour:  Take northbound E-470 to Peoria and back onto southbound E-470 to westbound C-470.  No tolls will be charged during closure.



For additional information about this project, call the project information line at 303-347-0507, email the team at, or visit the project website and sign up for updates at For updates on travel conditions, visit, sign up for GovDelivery, or call 511. Updates are also available via Twitter @coloradodot and CDOT’s Facebook page at

The $276 million C-470 Express Lanes project will increase mobility and user choice along 12.5 miles between I-25 and Wadsworth Blvd. in the westbound direction, two additional Express Lanes will be built from I-25 to Colorado Blvd. and one additional Express Lane from Colorado Blvd. to Wadsworth in the eastbound direction, one additional Express Lane will be constructed along the length of the project between I-25 and Wadsworth Blvd.  The project also includes full reconstruction of existing pavement, the addition of auxiliary lanes at selected locations, on- and off- ramp improvements, realignment of substandard curves, widening of existing bridges, replacing the bridges over the South Platte River, the installation of tolling equipment and new C-470 trail underpasses at Colorado and Quebec.  When complete, motorists will have the option to use the Express Lanes on C-470 for a faster, more reliable commute in exchange for paying a toll, or drive the general purpose lanes for free.  Completion is scheduled for late 2019.

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