Last Driven January 2019 APM: 25 Location: SR 60 and SR 57, Diamond Bar No reassurance shield for 57 south as it joins 60 west. (Historic Photo: January 2018) APM: 24 Location: SR 60 and Grand Ave, Diamond Bar Exit ahead for “Alt 60” which is just local lanes for SR 60 as this breaks into a … Continue reading California State Route 57, SR 60 to SR 60