To address current and future traffic demand, the Orange County Transportation Authority (OCTA), in partnership with the California Department of Transportation (Caltrans), is improving I-5 from north of Interstate 405 (I-405) to State Route 55 (SR-55).
Contact Information Address: 550 Main Street, Orange, CA 92868 Phone: (714) 636-7433 Email: customers@octa.net Working Days/Hours: Mon - Fri / 8:00AM - 5:00PM
Routes and Schedules Create Your Bus Book Specialty Routes System Map Holiday Schedules Connections and Transfers
To address current and future traffic demand, the Orange County Transportation Authority (OCTA), in partnership with the California Department of Transportation (Caltrans), is improving I-5 from north of Interstate 405 (I-405) to State Route 55 (SR-55).
OCTA, in cooperation with Caltrans, is improving 4 miles of SR-55 between I-405 and I-5. The project will add one regular lane and one carpool lane in each direction, as well as merge lanes between several interchanges. SR-55 is a vital north-south freeway that links central Orange County and beyond to the coastal region.
To address current and future traffic demand, OCTA is improving I-5 from north of Interstate 405 (I-405) to State Route 55 (SR-55) in the neighboring cities of Irvine and Tustin as part of the I-5 Irvine Tustin Project. Interstate 5 (I-5) is essential to Orange County's mobility, economy and quality of life.
Vehicle delivery marks major milestone toward launch of Orange County’s first modern streetcar system, set to begin testing this summer, with service slated to begin in spring 2026.
The Orange County Transportation Authority has submitted an Emergency Coastal Develop Permit to the California Coastal Commission to start work that will help ensure uninterrupted rail service.
OCTA has developed Orange County prioritization guidance for the Federal Fiscal Year (FFY) 2026-2027 and FFY 2027-2028 STBG/CMAQ Call for Project Nominations.
OC ACCESS has designated stops at high traffic locations to help riders and drivers locate each other. Below is a list of all the current stops.