ROTS,S.I. 1994/157,The whole Regulations,
The Railways (Safety Critical Work) Regulations 1994,S.I. 1994/299,The whole Regulations,
The Railways (Safety Case) Regulations 2000,S.I. 2000/2688,The whole Regulations,
The Railway Safety (Miscellaneous Amendments) Regulations 2001,S.I. 2001/3291,Regulations 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 and 16,
The Railways (Safety case) (Amendment) Regulations 2003,S.I. 2003/579,The whole Regulations,
The Cableway Installations Regulations 2004,S.I. 2004/129,Regulation 31,

1. Risks to 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 passenger-km per year,Passenger-km per year,
2. Risks to staff or employees, including the staff of contractors,2. Number of employee FWSIs per year arising from significant accidents/Number of train-km per year,Train-km per year,
3. Risks to 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. Risks to 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. Risks to 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. Risk to society as a whole,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 ),Risks to staff or employees, including the staff of contractors,5.17,
3.1 (x 10 -9 ),Risk to level crossing users,23.5,
3.2,n/a,
4 (x 10 -9 ),Risks to others,7.00,
5 (x 10 -9 ),Risk to unauthorised persons on railway premises,84.5,
6 (x 10 -9 ),Risk to society as a whole,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,
Risks to staff or employees, including the staff of contractors,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,