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April 19 2026
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Vol. IV • No. 8
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CDOT’s I-70 Resurfacing Project Nears Completion By Irwin Rapoport
CEG CORRESPONDENT
Colorado Department of Transportation photo
The Colorado Department of Transportation (CDOT) and its contractor, Martin Marietta, achieved substantial completion of the $34.7 million Interstate 70 resurfacing project from Chief Hosa to Colfax in December 2025.
Colorado Department of Transportation photo
The initiative to improve safety, mobility and travel time reliability along a 10mi. stretch of the mountain corridor is expected to conclude in 2026.
The Colorado Department of Transportation (CDOT) and its contractor, Martin Marietta, achieved substantial completion of the $34.7 million Interstate 70 resurfacing project from Chief Hosa to Colfax in December 2025. The initiative to improve safety, mobility and travel time reliability along a 10-mi. stretch of the mountain corridor is expected to conclude in 2026 when Lighthouse Transportation Group and Xcel Energy install an intelligent transportation system (ITS) that establishes variable speed limits. Financed by state and federal funds, work began in August 2024. ‘‘We have improved safety by replacing deteriorating pavement for a smoother driving experience and installed new safety guardrail,” Cody Daigneault, resident engineer with CDOT’s Region 1 West Program, told Construction Equipment Guide. ‘‘The project repaired both bridge decks at the Morrison exit, increasing the structures’ lifespan. We will also improve travel time reliability and mobility by installing dynamic speed limit signs and message boards on eastbound I-70 from Genesee Park to Colfax.’’ ‘‘This stretch of I-70 is heavily traveled, serving as the gateway to the Rocky Mountains for tourists and is a critical link for freight trucks and local and regional traffic as well,’’ he added. ‘‘Due to heavy wear and tear from freight and vehicle traffic, in combination with harsh winters, the pavement, bridges and other roadway
The Genessee Bridge overlook
assets were in need of repair to prevent potholes and other pavement damage.’’ The initiative milled and paved the existing lanes, repaired two bridge decks at the Morrison/Colorado 93 exit, installed storm drainage improvements, replaced guardrails and added variable speed limit signs and message boards on eastbound I-70 from Genesee Park (Exit 254) to Colfax (Exit 262/U.S. 6). I-70 was built along with much of the mountain corridor in the 1960s through
Martin Marietta photo
the 1970s. An average of 121,000 vehicles travel this stretch of I-70 each day. The construction zone falls within the jurisdiction of the municipalities of Genesee and Golden in Jefferson County. This section of I-70 has three lanes in each direction. Bill Oetken, Martin Marietta’s West Division construction manager, praised Lead Project Manager Zach Schmidt and Project Managers Ryan Peters and Logan Baker for their effort and dedication. see RESURFACING page 6