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Backgrounder: Statistics on unplanned/uncontrolled movements

Table 1. TSB occurrences involving unplanned/uncontrolled movements between 2010 and 2019

Category 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Securement 25 32 43 42 38 35 29 39  34  45
Switching without air 10 16 12 24 21 22 18 21 >27  30
Loss of control 2 3 0 3 0 1 4 2   5   1
Total 37 51 55 69 59 58 51 62 66 76

Table 2. TSB occurrences involving unplanned/uncontrolled movements, by consequence, 2010 to 2019

Consequence* 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019
Derailment of 1-5 cars 18 22 26 26 28 28 27 28 30 40
Derailment of more than 5 cars 0 0 2 2 0 1 2 1 2 2
Collision 24 32 28 40 35 32 23 34 31 27
Affected the main track 4 7 7 10 6 4 5 5 5 3
Involving  dangerous goods 8 10 7 14 17 14 9 18 14 14
Injuries or fatalities 0 0 2 49 0 0 1 1 1 3

*  Some occurrences may have more than one consequence.