Projects

Project Update and Expected Lane Closures

Project Facts

c 470 express lanes
  • Location: 12.5 miles of C-470, from I-25 to Wadsworth Boulevard
  • Cost: $276 million
  • adding two westbound Express Lanes from I-25 to Colorado Boulevard, and adding one westbound Express Lane from Colorado Boulevard to Wadsworth Boulevard
  • adding one eastbound Express Lane from just west of the South Platte River to I-25;
  • fully reconstructing a portion of the existing pavement;
  • adding auxiliary lanes;
  • improving portions of on- and off-ramps to current standards (including ramp metering where appropriate);
  • realigning substandard curves;
  • making safety and operational improvements between I-25 and Quebec via direct-connect ramps from I-25 to the westbound C-470 Express Lanes;
  • widening existing bridges throughout the project area;
  • replacing the bridges over the South Platte River;
  • installing water-quality features where required;
  • installing noise barriers where required;
  • installing Intelligent Transportation Systems elements and tolling equipment; and
  • adding grade separations for the multi-use trail at Quebec and Colorado.

Current and Upcoming Work

Wadsworth to Santa Fe:

Work includes:

  • Bike Trail grading and concrete work
  • Drainage Pond construction
  • Cable Barrier installation
  • Wildlife Crossings near the South Platte River

Santa Fe to Lucent:

  • Cable Barrier installation
  • Traffic Shift to replace concrete panels
  • Slope paving/gutter work

Lucent to Quebec:

  • Concrete Barrier and Guardrail installation

Quebec to I-25:

  • Slope Paving
  • Traffic Switch to bring lanes into final alignment

Lane Closures

Upcoming Lane Closures: 

  • Monday, February 17 through Thursday, February 20 from 10pm-5:30am southbound/northbound I-25 and southbound E-470 ramps to westbound C-470 will be closed for grading, paving operations and to move concrete barrier. Detour: SB E-470: Take southbound I-25 and exit onto Lincoln Ave. west. Continue on Lincoln Ave. west to Yosemite St. and turn right. Take Yosemite St. north to the westbound C-470 on-ramp. SB I-25: Take southbound I-25 and exit onto Lincoln Ave. west. Continue on Lincoln Ave. west to Yosemite St. and turn right. Take Yosemite St. north to the westbound C-470 on-ramp. NB I-25: Take northbound dI-25 and exit onto County Line Rd. west. Continue on County Line Rd. west to Yosemite St. and turn left. Take Yosemite St. south to the westbound C-470 on-ramp.
  • Monday, February 17 through Thursday, February 20 from 10pm-5:30am eastbound C-470 to northbound E-470 and northbound I-25 will be closed to perform grading operations and barrier installation. Detour: Take eastbound C-470 to southbound I-25. Exit on Lincoln Ave., turn left and continue back onto northbound I-25, take northbound I-25 to northbound E-470.

To eliminate more than 20 extended nighttime closures and additional construction for detour routes, CDOT will conduct multiple planned weekend long single lane closures to replace damaged concrete panels, complete bridge work at the I-25 interchange and perform drainage operations necessary for project completion. 

  • Friday, February 21 at 10pm continuing through Monday, February 24 at 5:30am the right lane on the southbound I-25 ramp to westbound C-470 will be closed to replaced concrete panels, complete bridge work and to perform drainage operations. 
  • Saturday, February 22 at 8pm continuing until Monday, February 24 at 5:30am the right lane of the westbound C-470 Quebec on-ramp and the westbound C-470 University off-ramp to perform drainage work and to replace concrete panels. 
  • Friday, February 21 and Saturday, February 22 from 8pm to 8am westbound C-470 will be closed from Quebec St. to University Blvd. This closure is necessary to complete concrete replacement operations. Detour: Exit the Quebec St.  westbound off-ramp. Turn right onto northbound Quebec St., proceed to County Line Rd. and turn left. Continue on County Line Rd. until University Blvd. Turn left onto southbound University Blvd., then turn right onto the westbound C-470 on-ramp. 
  • Friday, February 21 and Saturday February 22 from 8pm-8am eastbound C-470 will be closed between Quebec St. and I-25/E-470. Detour: To I-25: Take eastbound C-470 to the Quebec St. off-ramp. Turn left onto Quebec St., to County Line Rd., and turn right onto County Line Rd. to northbound/southbound I-25. To E-470: Take eastbound C-470 to the Quebec St. off-ramp. Turn left onto Quebec St. to County Line Rd., and turn right. Take County Line Rd to Inverness Pkwy. Take Inverness to Jamaica St., turn left onto Jamaica to northbound E-470. 
  • Friday, February 21 and Saturday February 22 8am until Sunday, February 23 at 6pm the eastbound C-470 auxiliary lane (right lane) between Quebec St. and Yosemite will be closed to allow new concrete pavement to cure. 

Delays are expected and alternate routes are advised.


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