Projects

C-470 Express Lanes

Project Facts

  • Location: 12.5 miles of C-470, from I-25 to Wadsworth Boulevard
  • Cost: $276 million

Current and Upcoming Activities

Wadsworth to Santa Fe:
Concrete paving eastbound between Wadsworth and Platte River; installation of walls, drainage, overhead signs, and ITS fiber; continued construction on the eastbound Platte River Bridge and Santa Fe eastbound off-ramp; traffic switch onto new Platte River Bridge coming in the near future.

Santa Fe to Lucent:
Earthwork; asphalt paving; Erickson bridge approach slab work and bridge rail; wall construction; drainage; traffic shift to median coming soon.

Lucent to Quebec:
Concrete paving; bridge work at Big Dry Creek, University, and Broadway; wall construction; subgrade treatment; drainage pond construction and drainage installation; overhead signs; ITS; barrier construction; ramp work. Preparing for traffic switch onto new concrete pavement between University and Quebec.

Quebec to I-25:
Earthwork; drainage; wall construction; ITS; Acres Green and Yosemite bridge work; Willow Creek box culvert construction; bridge column work near I-25 interchange; temporary asphalt paving; overhead signs; Willow Creek Trail temporarily closed.


Lane Closures

8 p.m. Sunday -5:30 a.m. Monday:
Alternating right and left lane closures on east and westbound C-470; right and left lane closures on Broadway, University; ramp closures possible at Santa Fe, Quebec and Broadway

8:30 a.m.-3:30 p.m. Monday-Friday:
Right- and left-lane closures on Erickson, Acres Green, University and Yosemite; partial ramp closures on Broadway, Lucent and University; traffic pace on east and westbound C-470.

7 p.m. - 5:30 a.m.Monday-Friday:
Alternating right- and left-lane closures on eastbound and westbound C-470; single-lane closures on Yosemite, Acres Green, Broadway, University and Erickson; full ramp closures possible at Santa Fe, Broadway, County Line and University.

8 p.m. Saturday - 8 a.m. Sunday:
Alternating right- and left-lane closures on eastbound and westbound C-470; full ramp closures possible at Santa Fe, Quebec and University.


Full Closure SB I-25 Ramp

What: Full closure of southbound I-25 ramp to westbound C-470 and northbound E-470 to place construction materials behind the barrier for upcoming connector ramp widening work.
When: Thursday, May 24 10 p.m. to 5:30 a.m.

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.

Quebec Off-Ramp Closure

What: Crews will conduct a full closure from Quebec St. eastbound off-ramp to Quebec St. eastbound on-ramp and a full closure of eastbound C-470 from Quebec St. to I-25. These closures are necessary to perform traffic switches onto new permanent pavement on the Acres Green Bridge.

When: Quebec St. Ramp to Ramp Closures: Monday, May 21 Wednesday, May 23 10 p.m. to 5:30 a.m.

Quebec St. to I-25 Full Closure: Tuesday, May 22 Thursday, May 24 from 10 p.m. to 5:30 a.m.

Detour: Eastbound C-470 Ramp to Ramp Detour:

  • Take eastbound C-470 to the Quebec St. off-ramp. Continue through the traffic signal onto Quebec St. eastbound on-ramps.

Eastbound C-470 Quebec to I-25 Detour:

  • Eastbound C-470 to southbound and northbound 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 on-ramps.
  • Eastbound C-470 to northbound E-470 detour: 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 Parkway. Take Inverness Parkway to Jamaica St., turn left onto Jamaica St. to northbound E-470 on-ramps.

University Ramps Full Closure 

What:
Full closures of the westbound C-470 on-ramp dedicated right turn and the westbound University off-ramp dedicated right turn for paving and ramp construction as part of the C-470 Express Lanes Project

When:
24/7 for about six weeks beginning in May

Vehicles will turn right at the traffic lights.
See map above.

Truck Detour:
Take southbound University to Dad Clark Drive, turn right. Continue on Dad Clark Drive to Broadway and turn right. Take westbound C-470 ramp, on the left. See map below.


24/7 Closures: Northbound Broadway Dedicated Right Turn Lane

What:
Closure of northbound Broadway dedicated right turn onto eastbound C-470 on-ramp to perform ramp construction and concrete paving as part of the C-470 Express Lanes Project

When: 
24/7 for approximately three weeks starting April 30

Non-commercial vehicles will still be able to utilize the on-ramp and will turn right at the traffic light.

Commercial vehicle detour is approximately 2.23 miles long. Take northbound Broadway to County Line Road and turn right. Take County Line Road to University and turn right, then continue onto eastbound C-470 on-ramp. (See map.)


Full Closure: I-25 Ramps to C-470 for Paving

What:
Closure of the I-25 ramps to C-470 and C-470 ramps to I-25 for paving

  • Work includes preform temporary barrier work to take advantage of existing closures and prepare for the upcoming traffic switch onto new pavement.

When:  

  • 10 p.m. Tuesday, May 15 to 5:30 a.m. Wednesday, May 16: Northbound and southbound I-25 ramps to westbound C-470

Detours:

  • Northbound and southbound I-25 ramps to westbound C-470 Detour:
    Take northbound and southbound I-25 to northbound E-470 to Peoria Street exit. Take Peoria Street to southbound E-470 and continue onto westbound C-470. No tolls will be charged during closure.

When:
10 p.m. Thursday, May 17 to 5:30 a.m. Friday, May 18—Eastbound C-470 ramp to southbound I-25
Contingency dates for ground conditions: Thursday, May 24 and Tuesday, May 29

Eastbound C-470 ramp to southbound I-25 detour:
Take eastbound C-470 ramp to northbound I-25. Exit on Dry Creek Road, turn left and continue back onto southbound I-25.

When:
10 p.m. Wednesday, May 16 to 5:30 a.m. Thursday, May 17; and 12-8 a.m. Saturday, May 19—Eastbound C-470 ramp to northbound I-25
Contingency date for ground conditions: Wednesday, May 23

Eastbound C-470 ramp to northbound I-25 detour:
Take eastbound C-470 ramp to southbound I-25. Exit on Lincoln Avenue, turn left and continue back onto northbound I-25.

 

                                                                                       C-470 Nighttime Ramp Closures

Due to the nature of the construction work on the C-470 Express Lanes Project, nighttime ramp closures are required intermittently through the next few weeks.

Ramps Affected:
Quebec, University, Broadway, Lucent, Santa Fe and Wadsworth both westbound and eastbound

Details:
These closures are required for crews to stripe, place barrier, move equipment and other activities. Watch for detour signs and use caution. Detours will lead motorists to the next exit, where they can return to C-470 and to their destination. Detours are typically 2.5-3 miles long.


Willow Creek Trail at C-470 Full Closure

What:
Full closure of north and southbound Willow Creek Trail. The closure will occur twenty-four hours a day and is necessary to begin drainage work and trail widening construction.

When:
24/7 through Monday, May 28

Detour:
Detours are approximately one mile long.
See map below.

  • Southbound Willow Creek Trail Detour:
    Take C-470 Trail west to Acres Green Drive, turn left. Take Acres Green Drive to Park Meadows Dr. and turn left, continue to Willow Creek Trail south.
  • Northbound Yosemite Detour:
    Take Park Meadows Dr. west to Acres Green Dr., turn right. Take Acres Green Drive to C-470 Trail and take the trail east, then merge onto Willow Creek Trail north.

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