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Florence Avenue

HOV lane, one mixed-flow lane in each direction, interchange modifications at Florence Avenue overcrossing and Orr and Day Road

Construction starts late 2013

Early 2016

$198 Million

Florence Avenue Interchange

Caltrans will construct a High Occupancy Vehicle (HOV) or carpool lane, and one mixed-flow lane in each direction for vehicles with two or more passengers in mid-2013 along approximately two miles of the Santa Ana Freeway (I-5) at Florence Avenue, north of the Orr and Day Road overhead to the San Gabriel River Freeway (I-605) in Santa Fe Springs. The Florence Avenue overcrossing and the Orr and Day Road overcrossing will be widened for better traffic flow and enhanced safety. Significant interchange improvements will be made at Pioneer Boulevard and at Florence Avenue. In addition, a northbound on-ramp will be constructed at Florence Avenue and inside and shoulders will be upgraded. The project investment is $198 million and is expected to be completed in early 2016.

Caltrans is committed the public informed about this construction effort. Notices of community meetings and updated construction advisories will be posted on this website periodically. Thank you for your patience. For more information, please call toll-free (855) 454-6335.

Project Overview
I-5 South Aesthetics Map
I-5 South Major Construction Activities map
Florence Avenue Interchange Fact Sheet

Project Map



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