Evaluating the Effect of Roadway and Development Factors on the Rural Road Safety Risk Index

Table 5

Results of the chi-square test for examining the most effective factors in relation to the accident frequency rate.

Variables	(Chi-square) χ^2	Sig. (alpha)
Operating speed	1051.77	0.003
Difference between posted speed limits and operating speed	1060.00	0.043
Segment length	218.32	1.000
Volume	34.85	0.248
Presence or absence of a speed control camera	0.95	1.000
Homogeneous sections	64.38	0.083
Gradient	21.38	0.375
Dominant land uses along the roadways	19.16	0.511
Number of accessibility	44.35	1.000

Note. All the italic coefficients are not statistically significant. It is significant at the 0.05 level.