I-605 Corridor Multimodal Improvement Project

Improving safety, reducing congestion, and expanding travel options—including walking, biking, and transit—along the I-605 corridor between I-10 and I-105.

Vehicles on a crowded freeway (both directions).

Current Phase

Planning

Map of I-605 Corridor Improvement Project

Metro and Caltrans are planning improvements to enhance safety, reduce congestion, and support alternatives to driving. Options being studied include ExpressLanes, HOV lanes, and upgrades for biking, walking, and transit. A Draft Environmental Document will be shared for public review and comment in a future phase.

Help Us Plan

Understand the Project

Explore project alternatives, from no-build to ExpressLanes with multimodal upgrades.

English Fact sheet Spanish Fact Sheet

Plan Ahead

Sign up to attend future meetings and share your feedback.

Sign Up for Updates

Status Update

Metro and Caltrans are evaluating four alternatives, each including transit, active transportation, and traffic management elements. A Draft Environmental Document is under development and will include feedback from community outreach.

Frequently Asked Questions

Why is this project needed?

The I-605 carries over 300,000 vehicles daily and has high congestion and collision rates. Improvements will enhance safety and mobility.

What alternatives are being studied?

Options include: No Build, ExpressLanes, added HOV lanes, and multimodal upgrades.

Will residents be displaced?

No full residential acquisitions are planned. Designs remain within existing right-of-way where possible.

How do ExpressLanes work?

Tolls adjust dynamically to keep traffic flowing reliably, even during peak hours.

How is revenue used?

Toll revenue funds transit service, maintenance, and local mobility projects.

Will noise barriers be rebuilt?

Some soundwalls may be rebuilt or modified to meet current standards.

What is a temporary construction easement?

A TCE allows short-term access to property during construction, with notice and compensation provided.

Events

Sep 18th 6:00 pm - 7:00 pm

Application for the 2026 Metro Youth Council opens Tuesday, September 2nd!

Online

Webinar Event

Free

Sep 19th 9:00 am - 3:00 pm

Celebrate the opening of Metro’s newest light rail segment—connecting more communities and expanding access across the San Gabriel Valley.

410 S Vermont Ave

410 South Vermont Avenue, Glendora, CA 91741

Free

Documents

Folder

Name

Type

Name of the document if it’s long

Description of folder if the description is too long then it will

Name of the document if it’s long

Description of folder if the description is too long then it will

1.25GB

Name of the document if it’s long

Description of folder if the description is too long then it will

Get Involved

Help shape this project for good. We want to hear from you:

Contact the Project Team
Get Project Updates
Provide Feedback

Email or call with questions.

Email or call with questions.

By connecting with us, you bring valuable insights to the table, helping create a Metro that truly reflects LA’s unique spirit.

Contact Us 213.922.4091

Receive Updates

Receive Updates

Sign up for email updates and meeting notices.

Sign Up for Updates

Share your Feedback

Share your Feedback

Attend meetings and share your input on alternatives.

Contact Us