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
  • Deer fence/ramp installation

Santa Fe to Lucent:

  • Slope paving/gutter work
  • Trail repairs

Lucent to Quebec:

  • Concrete Barrier and Guardrail installation
  • Bridge repairs
  • Grading
  • Pond work

Quebec to I-25:

  • Slope Paving
  • Guardrail and median barrier installation
  • Final grading

The C-470 Express Lanes Project team will open the newly constructed C-470 Bikeway Trail underpass at Quebec St. on May 14. This will allow trail users to seamlessly access the C-470 Trail and provide safe passage for users by eliminating interaction with traffic on Quebec St.

C-470 Trail Underpass at Quebec


Lane Closures

Upcoming Lane Closures: 

  • Thursday, May 21 from 10pm-5:30am and May 23 from 12am-8am southbound I-25 to northbound E-470 and westbound C-470 will be closed to pave on the bridge over the RTD light rail tracks. Detour: Take southbound I-25 to Lincoln Ave. Take Lincoln Ave. eastbound and continue back onto northbound I-25 to westbound C-470 and northbound E-470.
  • Saturday, May 23 from 12am-8am the southbound I-25 ramp to northbound E-470 and westbound C-470 will be closed to complete bridge work and slope grading operations. Detour: Take southbound I-25 to Lincoln Ave. Take Lincoln Ave. eastbound and continue back onto northbound I-25 to westbound C-470 and northbound E-470.
  • Friday, May 22 and Saturday, May 23 from 9:30pm-7am eastbound C-470 at Wadsworth will be closed for bridge work. Detour: Exit the Wadsworth off-ramp. Continue through the traffic signal and continue onto the C-470 on-ramp.
  • Friday, May 22 and Saturday, May 23 from 10pm-7am eastbound C-470 will be closed at Quebec for concrete sealing work. Detour: Exit the Quebec St. off-ramp, continue through the traffic signal and continue onto the C-470 on-ramp.
  • Sunday, May 24 and Monday, May 25 from 10pm-5:30am eastbound and westbound C-470 will be closed at University Blvd. for bridge work. Detour: Exit the University off-ramp, continue through the traffic signal and back onto the C-470 on-ramp.
  • Tuesday, May 26 and Wednesday, May 27 from 10pm-5:30am westbound C-470 from I-25/E-470 to Quebec St. will be closed as well as on Thursday, May 28 from 10pm-5:30am and Saturday, May 30 from 12am-8am westbound C-470 will be closed from I-25/E-470 to University Blvd. These closures are necessary to perform work on the Acres Green and Yosemite bridges and on the I-25 interchange. Detour: From NB I-25: Take northbound I-25 nd exit onto County Line Rd. west. Continue on County Line Rd. to Quebec St. and turn left. Take Quebec St. to the C-470 westbound on-ramp. From SB I-25: Take southbound I-25 and exit onto Lincoln Ave. west. Continue on Lincoln Ave. to Quebec St. and turn right. Take Quebec St. to the westbound C-470 on-ramp. From SB E-470: Take southbound E-470 to southbound I-25 and exit onto Lincoln Ave. west. Continue on Lincoln Ave. to Quebec St. and turn right. Take Quebec St. to the westbound C-470 on-ramp.
  • Wednesday, May 27 from 10pm-5:30am and Friday, May 29 from 10pm-7am eastbound C-470 will be closed at Santa Fe to work on the Erickson bridge. Detour: Exit the Santa Fe off-ramp, continue through the traffic signal back onto the C-470 on-ramp.
  • Thursday, May 28 from 10pm-5:30am eastbound C-470 will be closed at Broadway to work on the Broadway bridge. Detour: Exit the Broadway off-ramp, continue through the traffic signal back onto the C-470 on-ramp.
  • Saturday, May 30 from 9:30pm-7m and Sunday, May 31 from 9:30pm-5:30am westbound C-470 will be closed at Wadsworth for bridge work. Detour: Exit the Wadsworth off-ramp, continue through the traffic signal and back onto the C-470 on-ramp.
  • Saturday, May 30 from 10pm-7am and Sunday, May 31 from 10pm-5:30am eastbound C-470 will be closed from University to Quebec for bridge work. Detour: Exit the University eastbound off-ramp. Turn left onto northbound University, proceed to County Line Rd., and turn right. Take County Line Rd. to Quebec St., turn right onto southbound Quebec St. and then turn left onto the eastbound C-470 on-ramp.
  • Saturday, May 30 from 10pm-7am and Sunday, May 31 from 10pm-5:30am westbound C-470 will be closed at University for bridge work. Detour: Exit the University off-ramp, continue through the traffic signal and back onto the C-470 on-ramp.
  • Monday, June 1 and Tuesday, June 2 from 10pm-5:30am westbound C-470 will be closed at Broadway for bridge work. Detour: Exit the Broadway off-ramp, continue through the traffic signal and back onto the C-470 on-ramp.

Upcoming Trail Work:

  • Work on the C-470 Bikeway Trail to replace damaged concrete panels is occurring between Quebec St. and Santa Fe Dr. Pedestrians can expect to be directed onto temporary trail detours while work is being performed. Cyclists will be directed to dismount and walk through temporary detours for the safety of crews and other pedestrians.
  • Beginning the morning of May 14 for approximately 3 weeks access to and from the C-470 Bikeway Trail on the eastbound side of Quebec St. will be restricted to remove and repave a portion of the existing trail. All pedestrian and cyclist traffic entering or exiting the trail must use the trail connection on the west side of Quebec St.

C-470 Trail Closure at Quebec


Colorado: The Official State Web Portal