I-15 Express Lanes Extend to Ease Riverside Traffic
Published Date: 1/28/2026
Notice
Summary
Caltrans just got the green light to extend the I-15 Express Lanes from Lake Elsinore to Corona, making your drive smoother in Riverside County. This means new permits and approvals are locked in, and if anyone wants to challenge this, they must act by June 29, 2026. The project promises better traffic flow and is moving full speed ahead!
Analyzed Economic Effects
2 provisions identified: 1 benefits, 1 costs, 0 mixed.
I-15 Express Lanes Authorized in Riverside
Federal and state agencies have issued final approvals to build two new express lanes in each direction (four lanes total) in the median of I-15 from State Route 74 (post mile 22.3) in Lake Elsinore to El Cerrito Road (post mile 38.1) in Corona — an approximately 15.8-mile extension. The Final Finding of No Significant Impact (FONSI) for the project was approved on December 3, 2025.
Deadline to Challenge Project in Court
If you want to file a legal challenge to the Federal agency actions for the I-15 Express Lanes Southern Extension project, your claim must be filed on or before June 29, 2026; if a governing federal statute provides a shorter filing period, that shorter period still applies.
Personalized for You
How does this regulation affect your finances?
Personalize government policy and PRIA will tell you what this federal register document means for your household, plus every other regulation we track. PRIA reads each provision against your financial profile to show you exactly what matters to your wallet.
Key Dates
Department and Agencies
Related Federal Register Documents
2026-16719, Notice of Final Federal Agency Actions on Proposed Project in Hawaii
This notice announces actions taken by FHWA, U.S. Fish and Wildlife Service (USFWS), and National Oceanic and Atmospheric Administration, National Marine Fisheries Service (NMFS) that are final. The actions relate to a proposed bridge project, the Ala Wai Bridge Project, which crosses the Ala Wai Canal, Waikiki, City and County of Honolulu, State of Hawaii. These actions grant licenses, permits, and approvals for the project.
2026-16746, Notice of Final Federal Agency Actions on Proposed Highway in Tennessee
This notice announces actions taken by FHWA that are final. The actions relate to a proposed highway project, Interstate I-24, from I-40 in Nashville to I-840 near Murfreesboro, in Davidson County and Rutherford County, Tennessee, for approximately 26 miles. Those actions grant licenses, permits, and approvals for the project. The FHWA's Finding of No Significant Impact (FONSI) provides details on the Selected Alternative for the proposed improvements.
2026-14473, Notice of Final Federal Agency Actions on the State Route (SR) 361 Realignment Project in Nevada
Nevada is getting a new and improved 13-mile stretch of State Route 361 between Gabbs and Middlegate to make way for the Navy’s Fallon Range Training Complex expansion. This means smoother travel for local folks and better road safety. If you want to challenge this project, you’ve got until December 14, 2026, to speak up—after that, it’s a done deal!
2026-13876, Notice of Intent To Prepare an Environmental Impact Statement, Washington County, Maine
The Maine Department of Transportation is planning big upgrades to the Machias Dike Bridge on Route 1 in Washington County, Maine. They’re starting an Environmental Impact Statement to explore the best ways to improve the bridge while protecting the environment. Everyone’s invited to share their thoughts by October 31, 2026, so don’t miss your chance to weigh in!
2026-13794, Notice of Intent To Prepare an Environmental Impact Statement, Onondaga County, New York
The Federal Highway Administration and New York State DOT are planning big changes to roads and interchanges in Onondaga County, including parts of Route 31, Route 11, I-81, and Route 481. They’re getting ready to study how these changes might affect the environment and want your thoughts by August 14, 2026. This project aims to make travel safer and easier, so keep an eye out for updates and get involved!
2026-13627, Notice of Final Federal Agency Actions on Proposed Interstate Bridge Replacement Program in Portland, Oregon and Vancouver, Washington
The Federal Highway and Transit Administrations have given the green light to replace the Interstate Bridge connecting Portland, Oregon, and Vancouver, Washington. This big project will improve highways and transit across the Columbia River, making travel smoother for everyone. If you want to challenge these decisions, you have until December 4, 2026, to speak up!
Previous / Next Documents
Previous: 2026-01681, Notice of Final Federal Agency Actions on Proposed Transportation Project in California
Caltrans is moving forward with a big road fix on State Route 33 in Ventura County, from just south of Parkview Drive to just north of Foothill Trail. This project will help keep the pavement in great shape and improve your drive. If anyone wants to challenge these plans, they need to act by June 29, 2026, or they’ll miss their chance!
Next: 2026-01683, Notice of Final Federal Agency Actions on Proposed Transportation Project in California
Heads up, California travelers and project watchers! The government fixed a website link for a big new light rail project and set a deadline—if you want to challenge the project, you’ve got until February 4, 2026. This update keeps everything on track and clear for the next steps in improving transportation.