OCTA 405 Improvement
The Orange County Transportation Authority, in cooperation with Caltrans, is widening the San Diego Freeway (I-405) between SR-73 and I-605.
The project is improving 16 miles of I-405 between the SR-73 freeway in Costa Mesa and I-605 near the Los Angeles County line. Construction updates are as follows: The Edinger Avenue bridge over I-405 has closed for 18 months as of Oct. 22 for demolition and



