Injury crash at Washington Grove and E Diamond Heard on: Montgomery County MD Fire Rescue 7A1 Ops 1 00:06 00:00 728, paramedic engine 728 responding personal injury collision, 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. 00:00 728, paramedic engine 728 responding personal injury collision, 00:04 Washington Grove Lane and East Diamond Avenue. 2026-10-18 00:50 UTC Traffic E Diamond Ave & Washington Grove Ln, Washington Grove, MD 20877 View on map