Arapahoe Road, between Waco Street and Himalaya Way, is currently a two-lane roadway designed to handle 20,000 vehicles per day. The reality is about 23,900 vehicles travel this stretch of roadway, per day, with significant peak hour volumes. Traffic along this busy segment of Arapahoe Road is anticipated to further increase in the coming years.

To improve safety and mobility, about 1.5 miles of Arapahoe Road between Waco Street and Himalaya Way will be reconstructed and widened from the existing two-lane section to an interim four-lane section, with six-lane sections on the east and west ends. Three existing signalized intersections will be redesigned. Several existing drainage outfalls along the project will be redesigned and constructed in coordination with the Southeast Metro StormWater Authority (SEMSWA). Additionally, overhead electric lines on both sides of Arapahoe Road will be relocated to accommodate the wider ultimate roadway section. The design and construction will be coordinated with Intermountain Rural Electric Association (IREA).

Project Partners are:

Arapahoe County
Southwest Metro Stormwater Authority (SEMSWA)
City of Aurora

Arapahoe Road - Waco to Himalaya Traffic App

Know before you go and download the map to view live traffic conditions for this stretch of roadway. Simply use the links below for your mobile device.

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City of Centennial
13133 East Arapahoe Road
Centennial, CO  80112

(303) 325-8000 - 24 Hour Citizen Response Center
(720) 488-0933 - Fax Number



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