Evaluating Highway Traffic Safety: An Integrated Approach

Table 3

Panel data of 13 indices related to selected crashes on the expressway and intersections (total number of crashes is 117).

Crash No.	Alignment Indices					Intersection Indices				General Indices
	SL	GL	R	SD	G	e	D	S	Type	RW	PD	C	T
2	1	0	1	1	1		1	0	1
1	0	0	0	0	1	1	-^b	-	-	1	0	0	0
2	0	1	0	0	0	1	-	-	-	1	0	1	0
…	…	…	…	…	…	…	…	…	…	…	…	…	…
116	1	1	1	0	0	0	-	-	-	0	0	0	0
117	1	1	1	1	0	1	-	-	-	0	0	0	1
118	1	0	1	1	0	0	1	0	1	1	0	0	0
119	1	0	0	1	0	0	1	0	1	1	1	0	0
120	0	0	1	1	0	1	0	1	0	1	1	0	0
…	…	…	…	…	…	…	…	…	…	…	…	…	…
265	0	0	0	1	1	1	0	1	1	0	0	1	1

The first four crashes belong to the expressway and the remaining four crashes belong to intersections.
Not applicable since the corresponding crashes are on the expressway.