Orange County Transportation Authority
  • i5 improvements

    I-5 South County Improvements

    Construction is underway on the first of three segments for the I-5 South County Improvements Project - For more project information click here!

  • SR 91

    A Better 91: The Riverside Freeway (SR-91)

    OCTA's commitment to building "A Better 91" not only makes common sense, it makes economic sense. That's why OCTA has made building "A Better 91" a central part of its transportation mission.

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    OC Bridges


    OCTA is working to improve traffic flow and safety on our streets by building a series to separate car traffic from trains. For more information on the OC Bridges Project click here!

  • i5 improvements

    I-5 / Ortega Highway Improvements

    Construction began in February 2013 on the I-5 / Ortega Highway Interchange Improvement Project and is expected to wrap up this fall. For more project information, click here!