The I-405 Improvement Project: Behind the Scenes

The largest project in OCTA’s history, the I-405 Improvement Project will improve 16 miles of I-405 and add one regular lane in each direction from Euclid Street to I-605. It will also construct the 405 Express Lanes from SR-73 to I-605. This is the... read more

Nighttime Full Freeway Closures in South Orange County

Crews are performing nighttime lane and full freeway closures on I-5 between Avenida Pico and Camino Capistrano and will continue until July 28, excluding the weekend. The closures will allow crews to remove outdated overhead signs that span the... read more

OC Bridges Moves Forward with Raymond Avenue Construction

As part of OC Bridges, Raymond Avenue will be closed for approximately 80 days as OCTA and the City of Fullerton construct an undercrossing to separate vehicle traffic from train traffic. The closure is needed to allow crews to safely complete wall... read more

Raising Awareness about the I-605/Katella Avenue Interchange Project

OCTA and Caltrans have partnered to study potential improvements to the I-605/Katella Avenue Interchange. On June 29, the agencies hosted a public information meeting in Los Alamitos to raise awareness of the project, known as the I-605/Katella... read more

Discuss Proposed Improvements to SR-57 on June 22

Please join us on Thursday, June 22, to learn about proposed improvements to the Orange Freeway (SR-57) between the exits of Orangewood and Katella avenues. OCTA, in partnership with Caltrans, is in the initial phase of evaluating the... read more

Learn about the I-605/Katella Avenue Interchange Project

OCTA, in partnership with Caltrans, has initiated an Improvement Project to enhance safety, smooth traffic flow, and improve pedestrian and bicycle pathways through the I-605/Katella Avenue interchange in the City of Los Alamitos.  The project is... read more

Completed Lakeview Crossing Improves Traffic Speed and Safety

The Lakeview Avenue overcrossing, part of the OC Bridges project developed by OCTA to separate vehicle traffic from trains, opened in early June. OC Bridges overcrossings and undercrossings provide a faster, safer traveling experience for those... read more

Travel on the 91 Express Lanes Requires a FasTrak® Transponder

Recently extended by 8 miles, the 91 Express Lanesis a four-lane toll road built into the median of State Route 91 that provides 18 miles of safe, reliable, and predictable travel in Orange and Riverside counties. All vehicles, including... read more

Improvements to the Costa Mesa Freeway Are Coming

The Costa Mesa SR-55 Freeway is one of the most heavily congested freeways in Southern California, and OCTA in partnership with Caltrans is planning to widen it. The agencies are evaluating options for improving SR-55 in both directions between... read more

The 405 Project: Behind the Scenes

The largest project in OCTA’s history, the I-405 Improvement Project will improve 16 miles of I-405 and add one regular lane in each direction from Euclid Street to I-605. It will also construct the 405 Express Lanes from SR-73 to I-605. This is the... read more

I-5 South County Improvements Project Makes Progress

The I-5 South County Improvements Project is making significant progress, with work on the longest segment of the project – from Avenida Vista Hermosa to Camino de Estrella – wrapping up by the end of April. Crews are laying final, permanent... read more

Millions Headed to Alleviate Orange County Traffic

OCTA is awarding $35 million through a Measure M competitive grants program to several local agencies to help ease traffic. Measure M is the county’s half-cent sales tax for transportation improvements. At its most recent meeting, the OCTA Board... read more

Now Open, 91 Project Will Improve Travel to Riverside County

On March 31, the Riverside County Transportation Commission (RCTC) commemorated the completion of its 91 Capital Improvement Project. The $1.4 billion project extends the 91 Express Lanes to the I-15 and adds capacity in each direction. The project... read more

Night Closures Continue on South County’s Avenida Pico

Avenida Pico under the I-5 freeway continues to be completely closed at night Monday through Friday as crews work on falsework. The closures are expected to continue through early April. The work is part of the $230 million I-5 South County... read more

The 405 Project: Behind the Scenes

Letting the Public Know The largest project in OCTA’s history, the I-405 Improvement Project will improve 16 miles of I-405 and add one regular lane in each direction from Euclid Street to I-605. It will also construct the 405 Express Lanes from... read more

SR-91 Corridor Projects Win Several Awards

The Orange County Chapter of the American Society of Civil Engineers recently selected the 91 Express Lanes Pavement Rehabilitation Project as the year’s Outstanding Construction Project. Over eight weekends, OCTA and Caltrans construction... read more

Onward and Upward: The 91 Express Lanes Fiscal Year 2015-2016 Annual Report

Now posted online, the 91 Express Lanes Fiscal Year 2015-2016 annual report examines the trajectory of smart fiscal leadership and significant annual milestones that have contributed to the success of the 91 Express Lanes and other transportation... read more

OCTA and Caltrans Construction Projects Move Forward on I-5

Construction crews will be closing the loop on-ramp from westbound Camino Las Ramblas to southbound I-5 for an extended period, beginning Friday, February 3. The ramp closure is part of the $230 million I-5 South County Improvements Project, which... read more

The I-405 Improvement Project: Behind the Scenes

The largest project in OCTA’s history, the I-405 Improvement Project will improve 16 miles of I-405 and add one regular lane in each direction from Euclid Street to I-605. It will also construct the 405 Express Lanes from SR-73 to I-605. This is the... read more

OC Bridges Underpass in Fullerton Partially Open for Travel

Through its OC Bridges Program, OCTA is working to improve traffic flow and safety on streets by building a series of bridges – both underpasses and overpasses – to separate cars from trains. These bridges will eliminate the need for commuters and... read more
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