EDITOR'S NOTE: An earlier version of this story misstated the location of the crash. We regret the error. (KRON) -- A major crash involving an overturned dump truck is impacting traffic on both sides of I-680 in Sunol, according to the California Highway Patrol. The truck, which overturned near And rade Road, has spilled thousands of pounds of dirt onto both sides of the freeway, the CHP said. ‘Really Stupid Park’: SF commuters use Great Highway park-naming contest to vent Drivers are advised to expect major delays and use I-880 northbound to Highway 238 as an alternative route. The crash has resulted in a few injuries, according to the CHP. The crash occurred at 9:34 a.m. on the northbound side of the highway. Photo: CHPPhoto: CHP The CHP estimates that the road will be closed for several hours, and that Caltrans may be involved in cleanup efforts. This is a developing story. Check back for updates. ...read more read less