| Welwyn Tunnel rail crash | |
|---|---|
| Details | |
| Date | 9 June 1866 23:36 |
| Location | Welwyn, Hertfordshire |
| Coordinates | 51°50′10″N 0°11′10″W / 51.836°N 0.186°W |
| Country | England |
| Line | East Coast Main Line |
| Incident type | Collision |
| Cause | Guard failed to protect the train |
| Statistics | |
| Trains | 3 |
| Deaths | 2 |
| Injured | 2 |
| List of UK rail accidents by year | |
The Welwyn Tunnel rail crash took place in Welwyn North Tunnel, north of Welwyn (now Welwyn North) station on the Great Northern Railway, on 9 June 1866.[1] According to L T C Rolt, "from the point of view of damage to engines and rolling stock it was one of the most destructive in railway history."[2]