A multi-car crash has blocked all lanes on a stretch of northbound Interstate Highway 680 in Danville Tuesday morning, according to a California Highway Patrol officer.
The crash was reported around 10:20 a.m. on northbound Highway 680
near the Sycamore Valley Road exit, according to CHP Officer Eric Anderson.
A Sig-alert was issued at 10:44 a.m. and all lanes were still
blocked as of 11:05 a.m.
Multiple vehicles were involved in the crash, but Anderson did not
yet know whether anyone was injured.