Study on Evaluation Models of Highway Safety Based on Catastrophe Theory

Table 3

Bottom-layer values and catastrophe values of the general safety index.

Bottom-layer values	0	0.1	0.2	0.3	0.4	0.5
Top-layer value	0	0.669	0.753	0.808	0.849	0.884
Bottom-layer values	0.6	0.7	0.8	0.9	1
Top-layer value	0.913	0.938	0.961	0.981	1