Arapahoe Road and I-25 Interchange

In August 2009, CDOT will begin a safety and capacity improvement project on Arapahoe Road between Yosemite Street and Boston/Clinton Street. The project will add an additional through lane in each direction underneath the structure by utilizing the existing on-ramp roadway. This means that the third lane will be separated from the existing through lanes by the bridge pillars. The existing configuration for on-ramp traffic, pedestrian crossings and sidewalks will not be impacted. 

Other improvements include:

  • Adds a dedicated turn lane from westbound Arapahoe Road to northbound Yosemite Street
  • Modifies the center median to improve the left turn movement from southbound I-25 to eastbound Arapahoe Road
  • Improves signage to help direct motorists to proper lane assignments
  • Improves sight distance for pedestrians at various locations within the project limits on Arapahoe Road

On Tuesday, May 26th, CDOT held its first public open house for this project. There will be one more open house prior to construction once a contractor has been selected. Below are the graphics displayed at the open house depicting the new configuration.

Current Configuration vs. Future Configuration

Signage for Future Configuration

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Contact Information

For more information regarding this project or if you would like to receive e-mail updates about the project, please contact:

Mindy Crane
CDOT Public Relations Manager
Mindy.Crane@dot.state.co.us
303-757-9469
 
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