Pedestrian hit in traffic collision in Walnut Heard on: Los Angeles County CA Fire Dispatch ยท Countywide Dispatch 00:06 Engine 146 squad 61 traffic collision pedestrian involved sheriff's en route, grand avenue cross of snow creek drive. 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. Engine 146 squad 61 traffic collision pedestrian involved sheriff's en route, grand avenue cross of snow creek drive. 2026-10-22 20:02 UTC Traffic Grand Ave & Snow Creek Dr, Walnut, CA 91789 View on map