SR-91 Eastbound Lane Addition Project (SR-241 to SR-71)
This project was completed in 2010.
The Riverside Freeway (SR-91) Eastbound Lane Addition Project was the first in a series of projects intended to increase capacity, relieve congestion and improve mobility on SR-91.
Project Overview
The Orange County Transportation Authority (OCTA), in cooperation with the California Department of Transportation (Caltrans) and the Riverside County Transportation Commission (RCTC), added a lane to the eastbound Riverside Freeway (SR-91) between the Eastern Toll Road (SR-241) in eastern Orange County and the Corona Expressway (SR-71) in western Riverside County. This project length is approximately 6 miles.Project Benefits
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Added one lane to eastbound SR-91 between SR-241 and SR-71.
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Widened all lanes and shoulders in the project area to full standard widths.
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Widened five bridges.
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Helped relieve bottlenecks at the merger of northbound SR-241/SR-91 and at the interchange of SR-91/SR-71.
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Improved the general flow of eastbound traffic on SR-91 in the project area.
 
At a Glance
| 
 Length 
 | 
 Affected Cities 
 | 
 Total Cost 
 | 
 Funding Source 
 | 
|---|---|---|---|
| Approximately 6 miles | Anaheim and Yorba Linda | $57.77 million | OC Go, Federal and Local funds | 
