February 2022. I-25, between exits 145 and 146 in Colorado Springs, is currently a 3-lane (6 total) interstate with standard length acceleration and deceleration ramps at each exit. The ultimate design for I-25 in this section of the corridor is 4 through lanes + 1 continuous auxiliary merge lane between exits, in each direction.
CDOT Value Engineering Reports
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December 2021. The I-25 and US 50B project is approximately 1.08 mile long with defined point of beginning (POB) at the north end of Mineral Palace Park, extending northward to the point of ending (POE) at the existing 29th street intersection. The I-25 segment between POB and the POE has two travel lanes in both NB and SB directions. No lanes will be added to the current configuration. The I-25 mainline will be shifted eastward to improve the intersection geometrics for movements from southbound (SB) I-25 to eastbound (EB) US 50, and from westbound (WB) US 50 to SB I-25.
May 20, 2021. The project proposes upgrades to an existing emergency truck escape ramp at milepost (MP) 182.2. The truck ramp is part of the INFRA Grant scope and Field Inspection Review / Final Office Review (FIR/FOR) submittal. The study also encompassed an extensive series of improvements proposed in both directions of the West Vail Pass corridor from MP’s 180 to 191 as covered in the Environmental Assessment of the Proposed Action Plan.
CDOT Project No. ER 007A-023 (20252) - Boulder
