Weedon, Northamptonshire on the West Coast Main Line has been the site of two serious derailments in 1915 and 1951, killing 10 and 15 people respectively.
Such breaks can cause serious derailments, so when one is found, trains stop and the rail is fixed or replaced.
Several minor derailments of members of the class culminated in the serious derailment of No.
In November 2009 a serious partial derailment of a wagon occurred, damaging some 16 km of line preventing use by trains without repairs.
No. 851 was involved in a serious derailment at Byfleet in December 1946, due to the poor condition of the permanent way.
This was a major factor in three serious derailments between 1969 and 1994.
Ironically, a week after the centennial celebration, the ETR had its first serious derailment in over 10 years, caused by abnormally heavy rains.
A serious derailment occurred at this station on July 30, 1938 killing 32 and injuring 70.
Only Friday the same train had experienced a less serious derailment in Kansas, when, at a speed of less than 20 miles an hour, two axles left the tracks.
The station was the site of two serious derailments in 1915 and 1951, killing 10 and 15 people respectively.