Southbound I-605: South Street Off-Ramp Improvements

Metro and partners are upgrading the southbound I-605 South Street off-ramp in Cerritos to improve safety and reduce congestion. This targeted project widens the ramp, improves signals, and enhances pedestrian access as part of the I-605 Hot Spots Program.

Project Type

Less Traffic

Current Phase

Construction

Estimated Project Completion

2025

Metro, Caltrans, and the City of Cerritos are improving the southbound I-605 off-ramp at South Street to address congestion, enhance safety, and improve circulation. The project includes widening the ramp, adding a second right-turn lane, upgrading signals, improving crosswalks, and building a retaining wall to protect nearby slopes and drainage.

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Status

The one-year project, approximately $33 million construction investment, has begun early pre-construction work activities as of July 15, 2024. At this time, the project is approximately 70-75% complete and is anticipated to be completed in late summer 2025.

Frequently Asked Questions

What stage is the project in now?

Construction is underway, with retaining wall and drainage work complete. Final paving and intersection upgrades are planned for summer 2025.

How will pedestrian safety be improved?

New striped crosswalks, better lighting, and ADA-compliant ramps make crossing the ramp safer for pedestrians.

What is the retaining wall for?

The wall prevents slope erosion, protects drainage, and enables safe reconfiguration of the ramp.

Why was this location chosen?

The off-ramp had high crash rates and congestion. These improvements reduce backups and enhance safety for all travelers.

What is the Hot Spots Program?

Metro’s Hot Spots Program delivers quick, targeted highway improvements to fix critical bottlenecks and improve safety in the Gateway Cities.

Project Documents

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