I-680 Express Lanes Customer Update December 2017 Document Date December 4, 2017 Document Title I-680 Express Lanes Customer Update December 2017 File Name I-680 Contra Costa Express Lanes December 2017 Customer Update.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 Express Lanes View documents also tagged as Freeways View documents also tagged as I-680