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I-5 South

I-5 South Overview

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Over the next five years, Caltrans is investing over $1.6 billion dollars to improve southern segments along the Santa Ana Freeway (I-5) between the Orange County line and the San Gabriel River Freeway (I-605). Improvements will enhance safety, improve traffic flow, reduce congestion, encourage ride sharing, decrease surface street traffic and help improve air quality. Projects include:

  • High-Occupancy Vehicle (HOV or carpool) Lanes – Carpool lanes for vehicles with two or more passengers
  • Mixed-Flow Lane – Lane for all motorists
  • Interchange Modifications – Upgraded on-ramps and off-ramps, bridge widening or bridge reconstruction
  • Pedestrian Overcrossing – Bridge for pedestrians to cross over freeway
  • Frontage Road Modification – Reconstruction or improving road surfaces adjacent to freeway

Project Collateral Material

View the 4-23-13 I-5 South Major Construction Activities Map
View the 4-23-13 I-5 South Aesthetics Boards
Project Collateral Material
View the I-5 South Brochure in English
View the I-5 South Brochure in Spanish
4-25-13 Town Hall PowerPoint in Norwalk

Project Map


Click on any specific project for additional information.