I-605/Katella Avenue Interchange
OCTA, in cooperation with Caltrans, proposes to improve the local interchange at Interstate 605 and Katella Avenue to improve mobility, smooth traffic flow, and enhance pedestrian and bicycle pathways.
OCTA and Caltrans is proposing to improve the local interchange at Interstate 605 and Katella Avenue in the City of Los Alamitos. The proposed project will enhance freeway access and arterial connection, traffic operations, as well as improve overall safety at the interchange.
The environmental phase of the project is complete and has moved into multi-year design phase. Build Alternative 2 has been selected that will:
Modify the northbound and southbound ramps
Improve Katella Avenue
Enhance bicycle and pedestrian facilities
Caltrans has prepared and approved the Final Environmental Document (FED), detailing Build Alternative 2. To receive an electronic copy of the FED, please email 605KatellaInfo@octa.net.