SR-91 Lane Addition Project (SR-55 to SR-241)
This project was completed in 2013.
The Orange County Transportation Authority (OCTA), in cooperation with the California Department of Transportation (Caltrans) and the Riverside County Transportation Commission (RCTC), added 6 miles in the westbound and eastbound directions to the Riverside Freeway (SR-91) between the Costa Mesa Freeway (SR-55) and Eastern Toll Road (SR-241) in eastern Orange County to reduce traffic congestion.
Project Benefits
- 
Added 6 miles in both directions to SR-91.
 - 
Delivered a much needed second eastbound exit lane at the Lakeview Avenue, Imperial Highway and Yorba Linda Boulevard/Weir Canyon Road off-ramps.
 - 
Improved safety barriers, lane striping and soundwalls.
 
At a Glance
| 
 length 
 | 
 Affected Cities 
 | 
 Total Cost 
 | 
 Funding Source 
 | 
|---|---|---|---|
| Approximately 6 miles | Anaheim and Yorba Linda | $79.73 million | OC Go and State funds |