The SR 57/60 Chokepoint Confluence Relief Project is 57 percent complete, the San Gabriel Valley Council of Governments tells SBLA. 57/60 Freeway widening project diagram – via Metro fact sheet (diagram omits project adding one new eastbound general purpose lane)The half-mile long bypass has almost reached Diamond Bar Boulevard. View of the bypass from the trunk of the confluenceThe unfinished end of the bypassThe unfinished Eastbound 60 Freeway bypass in Diamond BarView of the unfinished bypass from Diamond Bar Blvd. Construction on the eastbound 60 Freeway on-ramp at Diamond Bar Blvd, where the bypass will flyover and reconnect with the freeway. At that time, Choi told SBLA that the COG would make up for lost time by rebuilding the Grand bridge at the same time as the bypass.