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RCTC – SR 91 Corridor Improvement – Southern California - Project Profile

RCTC – SR 91 Corridor Improvement – Southern California - Project Profile


"RCTC – SR 91 Corridor Improvement – Southern California - Project Profile" contains information on the scope of the project including project overview and location. The profile also details project ownership and funding, gives a full project description, as well as information on contracts, tendering and key project contacts.

The "RCTC – SR 91 Corridor Improvement – Southern California - Project Profile" is part of Timetric's database of 82,000+ construction projects. Our database includes a 10+ year archive of completed projects, full coverage of all global projects with a value greater than $25 million and key contact details for project managers, owners, consultants, contractors and bidders.


Riverside County Transportation Commission (RCTC) is undertaking the SR-91 corridor improvement in Southern California, the US.

The project extends the SR-91 tolled express lanes in Orange County, CA, into Riverside County, CA, a distance of 17.7km (12.87km into Riverside County on SR 91, with a 4.82km flyover connector to Interstate 15 from SR-91).

The project includes the construction of 27 bridges, eight-lane highway, freeways, tollways, interchange improvements, HOV lane into two express toll lanes and adding one general-purpose lane and an auxiliary lane to manage the flow of traffic and other related infrastructure.

In the partnership of RCTC, the California Department of Transportation (Caltrans), the Orange County Transportation Authority (OCTA), the Transportation Corridor Agencies (TCA), the Federal Highway Administration (FHWA), counties of Riverside and Orange and the City of Corona has performed feasibility Studies for corridor improvement.

On October 14, 2009, Parsons Corporation was appointed as construction manager.

On May 8, 2013, URS Corporation, Atkinson Contractors and Walsh Construction Company were selected as the design-build contractors.

Funding for the project is provided by a combination of federal, state and local sources as well as toll revenue bonds. The express lanes will be fully funded by tolls from drivers who choose to use these lanes and toll revenue will be used to repay the federal loan.

On December 12, 2013, groundbreaking ceremony was held.

In July 2014, construction works commenced.

Construction of new toll lanes has been completed which opened in March 2017.

As of April 2017, 90% construction completed.

Construction works are underway and are scheduled for completion in the fourth quarter of 2017.


The project involves the improvement of 17.7km of SR-91 corridor in Corona, Southern California, the US.

The US$1,400 million project includes the following:

1. Construction of 27 bridges

2. Construction of eight-lane highway

3. Construction of freeways

4. Construction of tollways

5. Construction of interchanges

6. Construction of pedestrian waysReasons To Buy

  • Gain insight into the project.
  • Monitor the latest project developments.
  • Identify key project contacts.

1.Key Statistics
2.Key Dates
4.Operating metrics
5.Tender Information
8.Latest update
10.Key Contacts
11.General News, Project News

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