I-15 Express Lane Project

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Project Overview

The Riverside County Transportation Commission (RCTC), in partnership with Caltrans, is investing $455 million to improve I-15 between Cajalco Road and State  Route 60 (SR-60). The project will add two tolled express lanes in each direction on I-15 between Cajalco Road and SR-60, a distance of approximately 15 miles.

Project Benefits

  • Improve existing and future mobility along the I-15 corridor
  • Reduce congestion and improve traffic operations
  • Provide a time-saving travel choice with multiple entry / exit points
  • Expand the tolled express lane network
  • Increase travel time reliability


Project Timeline

RCTC is proceeding with a design-build process to expedite delivery of the project, minimize construction costs, and take advantage of the existing 91 Express Lanes project experience. 

Project Table

Total Project Cost: $455,000,000
Funding: Tolls charged to I-15 express lane users will pay for a significant portion of the initial construction and all of the ongoing maintenance and operation of the express lanes. Local and federal funds will also be used to pay for a portion of the initial construction including Riverside County’s voter-approved Measure A transportation sales tax program.

Stay in Touch

For more project information, call the project helpline at 844.415.9777 or send an email to

To visit their website, please click here.
I-15 Express Lanes Project Facts Sheet.