SR 241/261 Toll Road, Eastern Transportation Corridor, Southern California

SRI 241 261 - Toll Roads TEC.jpg

Client: Transportation Corridor Agencies (TCA)

Prime Contractor

  • Silverado (Flatiron & Sukit)

  • CH2M Hill / RBF

Project Location: Southern California

TEC Services

  • Design & Construction Management

Project Details

  • Construction Value: $820M

  • Completed: 1995 - 1997

The Eastern Transportation Corridor (ETC) design/build project was a 25-mile-long, three-legged "h" shaped north-south route through eastern Orange County, generally located between State Route 91 and Interstate 5. State Routes SR-241 (north and east legs) and SR-261 (west leg) designate the ETC.

The corridor provides a circulation alternative to residents and employees in Orange, San Diego, and Riverside Counties. Interchange improvements included widening of the existing roads, bridges widening of southbound entrance ramps, constructing ramp meters, and the installation of traffic signals at ramp intersections.

TEC's responsibilities included:

  • Onsite Field Inspections

  • Resident Engineering

  • Structural Engineering

  • Prepared and implemented Utility Relocation Program

  • Developed Contract and Technical Specifications for Utility work


TransitVayakone TerryConstruction Management, Design