Imperial Highway and Pioneer Boulevard

Closures

• Imperial Highway & Pioneer Blvd. Project - April 19 - April 26, 2019
• IMPERIAL HIGHWAY & PIONEER BOULEVARD PROJECT - Week of Jan 21, 2018
• IMPERIAL HIGHWAY & PIONEER BOULEVARD PROJECT - Week of Jan 14, 2018

Weekly Construction Updates

• Imperial Highway & Pioneer Blvd. Project - April 19 - April 26, 2019
• January 2019 I-5 Corridor Construction Update
• October 2018 Video Update I-5 Corridor

Project Information

Improvements: HOV lane, one mixed-flow lane in each direction, interchange modifications at San Antonio Dr. undercrossing, Imperial Highway undercrossing, Pioneer Boulevard undercrossing, and Orr and Day Road.
Start Date: 2013
Completion: *Spring 2019
Currently: 95% complete.
Overall Project Cost: $323 Million
Project Construction Cost: $144.5 Million

The new Imperial Highway on ramp to northbound I-5 is open.
The new Imperial Highway off ramp from southbound I-5 is open.
The new San Antonio Dr. on ramp to  southbound I-5 is open.

Pioneer Bridge: Construction complete.
San Antonio Bridge: Construction complete.
Imperial Highway Bridge: Construction complete.

Crews are currently constructing:

• A sound wall along new lanes of I-5 north of Imperial Highway (Photos below from December 11):

• The new Norwalk Blvd. off ramp from northbound I-5 is complete and opened to the public on November 21. (Photos below from November 27):
  

  1. 
     November 27.
  2. 
     November 27.
  3. 
  4. 
     November 27.
  5. 
  6. 
     November 27.

  • The median barrier rail along the new lanes of I-5 north of Imperial Highway. (Photos below from October 23, October 30 through December 11):
    

    1. 
       October 23.
    2. 
       October 30.
    3. 
       October 23.
    4. 
       November 13.
    5. 
       November 20.
    6. 
       November 20.
    7. 
       November 20.
    8. 
       December 11

  • A new median on Norwalk Blvd. north of the San Antonio Bridge. (Photo below from October 23 and November 27):
    

    1. 
       October 23.
    2. 
       November 27.
    3. 
       October 23.
    4. 
       November 27.

  The Pioneer Blvd. on ramp to northbound I-5 is permanently closed to allow the addition of lanes to northbound I-5.

  Project Benefits

  • Increasing capacity by widening the freeway
  • Accommodating future projected traffic demands
  • Improving overall traffic circulation
  • Enhancing safety
  • Enhancing air quality
  • Revitalizing our I-5 community