Freeway & Streets

As part of the I-405 Improvement Project, the Magnolia Street bridge will be demolished in two phases and will be open to traffic during construction.

Public comments will be accepted through Dec. 21 regarding the SR-91 Improvement Project.

The I-405 Improvement Project has chosen industry-leading software to analyze traffic data to manage traffic congestion.

Find several easy and informative ways to stay up to speed about the I-405 Improvement Project.

The speed limit from Costa Mesa to the L.A. County line has been reduced from 65 mph to 55 mph for safety.

Join OCTA and Caltrans on Oct. 25 to learn more about the SR-57 Improvement Project adjacent to the cities of Anaheim and Orange.

As part of the I-405 Improvement Project, demolition of the Slater Avenue bridge in Fountain Valley began on Sept. 29.

On Sept. 12, residents and business leaders attended a community open house for the upcoming Laguna Niguel to San Juan Capistrano Passing Siding Project.

The Slater Avenue bridge in Fountain Valley will be the next to be demolished as part of the I-405 Improvement Project.