SANDY, Utah — A multi-vehicle accident on Interstate 15 in Sandy caused significant delays for morning commuters traveling toward Salt Lake City Thursday. The crash occurred in the northbound lanes near 9800 South, involving a white van that appeared to collide with the rear of an SUV. As a result of the accident, most lanes of I-15 were shut down for an extended period to allow emergency responders to clear the scene. Traffic quickly backed up as drivers were forced to navigate alternate routes. By 10:30 a.m., authorities confirmed that all lanes had been reopened, and traffic was flowing normally…