A train derails on an evening express service near Grayrigg, Cumbria, England, killing one person and injuring 88. This results in hundreds of points being checked over the UK after a few similar accidents.

The Grayrigg derailment was a fatal railway accident that occurred at approximately 20:15 GMT on Friday 23 February 2007, just to the south of Grayrigg, Cumbria, in the North West England region of the United Kingdom. The accident investigation concluded that the derailment was caused by a faulty set of points on the Down Main running line, controlled from Lambrigg ground frame. The scheduled inspection on 18 February 2007 had not taken place and the faults had gone undetected.

Grayrigg is a small village and civil parish in the Westmorland and Furness district of Cumbria, England. In the 2001 census the parish had a population of 223, increasing at the 2011 census to 242. It lies on undulated and partly mountainous land, 4.9 miles (8 km) north east of Kendal, on the north side of the West Coast Main Line, and west side of the M6 motorway.

Cumbria is a ceremonial county in North West England. It borders the Scottish council areas of Dumfries and Galloway and Scottish Borders to the north, Northumberland and County Durham to the east, North Yorkshire to the south-east, Lancashire to the south, and the Irish Sea to the west. Its largest settlement is the city of Carlisle.