Injury crash at Route 50 and Walker Mill Road Heard on: Fairfax County VA Regional Fire Dispatch 00:19 00:00 Truck 440 , Medic 421, on channel four bravo box 400 and twenty-one 20 . 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 Truck 440 , Medic 421, on channel four bravo box 400 and twenty-one 20 . 00:05 Crash with injury, cross street route 50 at Walker Mill road. 00:10 Truck 440 , Medic 421, on channel four bravo box 400 and twenty-one 20 . 00:15 Crash with injury, cross street route 50 at walker mill road. 2026-11-06 13:09 UTC Traffic Walker Mill Rd, Great Falls, VA 22066 View on map