U.S.Sinkhole shuts down 5 Freeway north of Western Avenue in Glendale March 18, 2023 FacebookTwitterReddItWhatsAppLinkedinTelegramViberPinterestTumblrEmailMixVKDiggLINEPrint The California Highway Patrol issued a SigAlert shutting down all southbound lanes of the southbound 5 Freeway just north of Western Avenue in Glendale because chunks of concrete are falling from a sinkhole on the overpass onto the freeway.