I-680 Express Lanes Nighttime Ramp Closures June 2016 Document Date June 8, 2016 Document Title I-680 Express Lanes Nighttime Ramp Closures June 2016 File Name I-680 EL June Nighttime Ramp Closures Construction Notice 20160608.pdf Language English Publisher 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