I-680 Express Lanes Construction Notice: April 2016 Document Date March 31, 2016 Document Title I-680 Express Lanes Construction Notice: April 2016 File Name I-680 Express Lanes Construction Notice April 2016.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 Freeways View documents also tagged as I-680