Evaluating Railway Operation Safety Situation in China Based on an Improved TOPSIS Method: A Regional Perspective
Table 4
Some useful criteria for parameter estimation in the Handling Rules.
Grades
Criteria
A
2 people died; 5–10 people were seriously injured; direct economic losses of 5–10 million yuan; 3–6 h of interruption of busy trunk traffic, etc.
B
1 person died; 5 people were seriously injured; 100–500 million yuan directly economically lost; busy trunk line was interrupted for 1–3 h, etc.
C
No casualties; direct economic losses below 1 million yuan; train conflicts, derailment, collisions, etc.; passenger train separation; trains sent to occupied section or line, arrival or departure route is not ready or mistakes are made handling train blocking
D
No casualties; direct economic losses of less than 1 million yuan; shunting conflicts, derailment, collisions, etc.; freight train separation; mishandling in operation due to construction, overhaul; delayed train violation of regulations, etc.
