Long-term Ramp Closure on State Route 91 in Compton

COMPTON — Caltrans announces a long-term ramp closure on State Route 91 (SR-91) at the Alameda St exit at the Alameda/Santa Fe Ave off-ramp in Compton through September 2026 for a sign rehabilitation project. The long-term ramp closure is necessary for ongoing work to upgrade bridge railings.

The following closure is subject to change and are scheduled as follows:

February 2026 through September 2026

Westbound SR-91

• Closure of Alameda Street exit at the Alameda/Santa Fe Ave off-ramp

Caltrans encourages motorists to allow extra travel time and to drive with caution in the area.

Due to weather or operational reasons, the schedule is subject to change including the times and dates, the number of closures and other details. Residents and businesses located near construction may experience noise, vibrations and dust associated with construction activities. Please visit Quickmap for current road conditions.

This $34 million project will rehabilitate and upgrade roadside and overhead signs, lighting, restore highway planting, replace guardrail, and make worker safety improvements along a 14.7-mile stretch of SR-91 in Los Angeles County. It is expected to be completed in summer 2029. The contractor is Security Paving Company, Inc.

Sign up for notifications about the project. If you have already signed up and are receiving project emails, there is no need to sign up again.

Caltrans reminds drivers to “Be Work Zone Alert” and to “Slow for the Cone Zone.”