I-680 Contra Costa County Express Lanes Jan. 2016 Construction Update Document Title I-680 Contra Costa County Express Lanes Jan. 2016 Construction Update File Name 2016_Jan_ConstructionUpdate_Final.pdf Language English Publisher MTC Corporate Author MTC Tags View documents also tagged as Bay Area Express Lanes View documents also tagged as Contra Costa County (Calif.) View documents also tagged as Express Lanes View documents also tagged as FasTrak (Program : California) View documents also tagged as Freeways View documents also tagged as I-680