I-680 Express Lanes Customer Update May 2017 Document Date May 19, 2017 Document Title I-680 Express Lanes Customer Update May 2017 File Name 2017_May14_Customer Update_Final.pdf Language English Publisher MTC Corporate Author MTC Tags View documents also tagged as Bay Area Express Lanes View documents also tagged as Caltrans View documents also tagged as Contra Costa County (Calif.) View documents also tagged as Contra Costa Transportation Authority View documents also tagged as Express Lanes View documents also tagged as Freeways View documents also tagged as I-680