I-5 Corridor Improvement Projects Take Twice Daily to Relieve Congestion.

About the I-5 Corridor Improvement Project

Download BrochureOver the next five years, Caltrans is investing $2.9 billion to improve southern segments along the Santa Ana Freeway (I-5) between the Orange County line and the San Gabriel River Freeway (I-605) and northern segments along the Golden State Freeway (I-5) from the Ventura Freeway (SR-134) to the Kern County line. Improvements will enhance safety, improve traffic flow, reduce congestion, encourage ride sharing, decrease surface street traffic and help improve air quality.

Projects Include

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

Funding Partners

Project Partner Project Partner Project Partner
Download Construction Activities

Five Year I-5 South & North Construction Projects

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I-5 South Improvements

The I-5 South construction projects will be completed in 2017 improving traffic flow, reduce congestion, enhance safety, decrease surface street traffic and improve air quality. For a description of each project, click here.


Start: Late 2013
Completion: Late 2016

Cost: $1.6 billion
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I-5 North Improvements

The I-5 North construction projects will be completed in 2017 improving traffic flow, reduce congestion, enhance safety, decrease surface street traffic and improve air quality. For a description of each project, click here.


Start: Late 2013
Completion: 2017

Cost: $355 million
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I-5 HOV/Alondra Boulevard Bridge

Improvement:

HOV lanes, one mixed-flow lane in each direction, interchange modifications at Alondra Boulevard and Coyote Creek Bridge and north Fork Coyote Creek Bridge.


Start: 2012
Completion: Late 2015

Cost: $110 million
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I-5 HOV/Carmenita Road Interchange IN CONSTRUCTION

Improvement:

Interchange modifications and frontage road modifications.


Start: Late 2011
Completion: Summer 2016

Cost: $380 million
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I-5 HOV/Rosecrans Avenue and Bloomfield Avenue Bridges IN CONSTRUCTION

Improvement:

HOV Lane, one mixed-flow lane in each direction, interchange modifications at Rosecrans Avenue undercrossing and Bloomfield Avenue undercrossing and pedestrian overcrossing at Silverbow Avenue.


Start: 2012
Completion: Early 2017

Cost: $180 million
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I-5 HOV/Valley View Avenue Interchange

Improvement:

HOV lane, one mixed-flow lane in each direction, interchange modifications at Valley View Avenue and Artesia Boulevard, frontage road modifications.


Start: 2016
Completion: 2019

Cost: $416 million
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I-5 HOV/Imperial Highway and Pioneer Blvd. IN CONSTRUCTION

Improvement:

HOV lane, one mixed-flow lane in each direction, interchange modifications at San Antonio Avenue undercrossing, Imperial Highway undercrossing, Pioneer Boulevard undercrossing and Orr and Day Road.


Start: 2013
Completion: Spring 2017

Cost: $302 million
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Project: I-5 HOV/Florence Avenue Interchange

Improvement:

Widen freeway to add one HOV lane and one general purpose lane in each direction, and structural improvements at Florence Avenue and Orr and Day Road.


Start: 2015
Completion: Fall 2019

Cost: $215.4 million
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REALIGN I-5

Improvement:

Replace sections of concrete pavement in both directions of I-5.


Start: Late 2013
Completion: 2017

Cost: $355 million
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RECONSTRUCT BURBANK BOULEVARD BRIDGE AND MODIFY ON- AND OFF-RAMPS

Improvement:

Reconstruct the Burbank Blvd. overcrossing and realign on-and-off ramps


Start: Late 2013
Completion: 2017

Cost: $355 million
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CONSTRUCT CARPOOL LANES BETWEEN MAGNOLIA BOULEVARD AND BUENA VISTA STREET

Improvement:

Add a high occupancy vehicle (HOV, or carpool) lane in each direction of I-5 between Magnolia Boulevard and Buena Vista Street


Start: Late 2013
Completion: 2017

Cost: $355 million
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CONSTRUCT FULL INTERCHANGE AT I-5 AND EMPIRE AVENUE

Improvement:

Realign and elevate the railroad adjacent to Empire Avenue.


Start: Late 2013
Completion: 2017

Cost: $355 million
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REALIGN AND ELEVATE THE RAILROAD ADJACENT TO I-5

Improvement:

Construct an undercrossing and on-and-off ramps at I-5 and Empire Ave.


Start: Late 2013
Completion: 2017

Cost: $355 million
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REALIGN INTERSECTION OF SAN FERNANDO BOULEVARD/VICTORY PLACE AT LINCOLN STREET

Improvement:

Improve the intersection of San Fernando Blvd. /Victory Place at Lincoln Street


Start: Late 2013
Completion: 2017

Cost: $355 million
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CONSTRUCT RAILROAD GRADE SEPARATION AT BUENA VISTA STREET

Improvement:

Elevate the railroad at Buena Vista Street and San Fernando Blvd. to eliminate the street-level crossing.


Start: Early 2013
Completion: 2017

Cost: $355 million
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