On Sunday 5 November 1967 the 19:43 Hastings to Charing Cross service, consisting of twelve coaches formed by two six-car diesel-electric multiple units – 1007 (a 6S) leading 1017 (a 6L) – and travelling at approximately 70 mph , derailed at 21:16 shortly before the St Mildred's Road railway bridge, near Hither Green maintenance depot.