I-5 (SR-57 to SR-55)
I-5 (SR-57 to SR-55)
This project was completed in 2021.
The I-5 Central County Improvements project was completed in January 2021.
    
        
        
            
                
                
            
        
     
        
Project Overview
OCTA and Caltrans completed construction of a second carpool lane on I-5 between SR-55 and SR-57. The I-5/Main Street HOV on-and off- ramps were demolished to make room for the new lanes. The project reduces congestion, alleviates bottlenecks and improves traffic flow.
Project Benefits
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Added a second carpool lane in both directions on I-5 between SR-55 and SR-57. 
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Restriped carpool lanes to provide drivers with continuous access. 
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Reduces congestion, alleviates bottlenecks and improves traffic flow. 
At a Glance
| length | affected cities | project cost | funding source | 
|---|---|---|---|
| 3 miles | Orange, Santa Ana and Tustin | $39 million | Federal and Local funds | 
