Person slumped over wheel in vehicle at Chevy Chase Heard on: Montgomery County MD Fire Rescue 7A2 Dispatch 00:15 00:00 Montgomery Avenue at Chevy Chase Lake 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. 00:00 Montgomery Avenue at Chevy Chase Lake Drive. 00:03 One slumped over the wheel, black Nissan sedan. 00:08 ALS 707, paramedic engine 707, respond 701, box area 71, 00:15 742. 8/13/2026 04:39 AM Medical Emergency Chevy Chase Lake Dr, Chevy Chase, MD 20815 View on map