1. Passengers,1.1 Number of passenger FWSIs per year arising from significant accidents/Number of passenger train-km per year,Passenger train-km per year,
1.2 Number of passenger FWSIs per year arising from significant accidents/Number of train-km per year,Passenger-km per year,
2. Employees,2. Number of employee FWSIs per year arising from significant accidents/Number of passenger-km per year,Train-km per year,
3. Level crossing users,3.1 Number of level-crossing user FWSIs per year arising from significant accidents/Number of train-km per year,Train-km per year,
3.2 Number of level-crossing user FWSIs per year arising from significant accidents/[(Number of Train-km per year x Number of level crossings)/Track-km)],(Train-km per year x Number of level crossings)/Track-km,
4. Others,4. Yearly number of FWSIs to persons belonging to the category ‘others’ arising from significant accidents/Number of train-km per year,Train-km per year,
5. Unauthorised persons on railway premises,5. Number of FWSIs to unauthorised persons on railway premises per year arising from significant accidents/Number of train-km per year,Train-km per year,
6. Whole society,6. Total number of FWSIs per year arising from significant accidents/Number of train-km per year,Train-km per year,

1.1 (x 10 -9 ),Risk to passengers,2.73,
1.2 (x 10 -9 ),0.028,
2 (x 10 -9 ),Risk to employees,5.17,
3.1 (x 10 -9 ),Risk to level crossing users,23.5,
3.2,n/a,
4 (x 10 -9 ),Risk to persons classified as others,7.00,
5 (x 10 -9 ),Risk to unauthorised persons on railway premises,84.5,
6 (x 10 -9 ),Societal risk,120.0,

Risk to passengers,CST. 1.1,0.17,Number of passenger FWSIs per year arising from significant accidents/Number of passenger train-km per year,
CST 1.2,0.00165,Number of passenger FWSIs per year arising from significant accidents/Number of passenger-km per year,
Risk to employees,CST 2,0.0779,Number of employee FWSIs per year arising from significant accidents/Number of train-km per year,
Risk to level crossing users,CST 3.1,0.710,Number of level-crossing user FWSIs per year arising from significant accidents/Number of train-km per year,
CST 3.2,n/a,Number of level-crossing user FWSIs per year arising from significant accidents/[(Number of Train-km per year x Number of level crossings)/Track-km)],
Risk to others,CST 4,0.0145,Yearly number of FWSIs to persons belonging to the category ‘others’ arising from significant accidents/Number of train-km per year,
Risk to unauthorised persons on railway premises,CST 5,2.05,Number of FWSIs to unauthorised persons on railway premises per year arising from significant accidents/Number of train-km per year,
Risk to society as a whole,CST 6,2.59,Total number of FWSIs per year arising from significant accidents/Number of train-km per year,