Truck hits median and driver flees scene Heard on: Los Angeles County Sheriff, Fire and Aircraft - Santa Clarita Valley 00:38 00:00 College Vista Avenue and Grand Avenue, Walnut. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 College Vista Avenue and Grand Avenue, Walnut. 00:03 Truck versus center median. 00:05 Horned suit driver is running away from vehicle. 00:07 Unknown if anybody else is in the vehicle. 00:08 Text nine three, unit respond Code 3 . 00:13 One six five. 00:19 911, King 3, respond code 3. 00:21 911, King 3. 00:33 College Vista Avenue and Grand. 00:37 2961, your ETA? 9/5/2026 11:07 PM Traffic Grand Ave & College Vista Ave, Walnut, CA 91789 View on map