Type of Closure Limits 9/28/21 Costa Mesa Costa Mesa I-405 ...
construction SB I-405 Harbor Blvd. off-ramp, NB Harbor Blvd., EB South Coast Dr., Fairview Rd. 9/28/21 Costa Mesa Harbor Boulevard 9/28/21 Costa Mesa: Harbor Boulevard SB 405 on-ramp NB Harbor Blvd. on-ramp onto SB 405 8:30 pm to 5 am : Full Closure Bridge Work : NB Harbor Blvd., EB Baker St., NB Bristol St., SB I-405 loop on-ramp 9/28/21 Costa ...