A comparative evaluation of the safety performance of bus priority route configurations

European Transport Research Review

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Table 6 Results of pairwise comparisons between accident means at junctions with various BPR configurations

BPR configuration^* (TypeX)	Compared to BPR configuration^* (TypeY)	Total injury accidents			Severe accidents			Pedestrian accidents
BPR configuration^* (TypeX)	Compared to BPR configuration^* (TypeY)	Estimate	St. error	Adj P	Estimate	St. error	Adj P	Estimate	St. error	Adj P
1	2	0.29	0.36	1.0	0.70	0.55	1.0	0.08	0.42	1.0
1	30	− 0.33	0.29	1.0	− 0.42	0.36	1.0	− 0.66	0.33	0.257
1	31	− 1.49	0.39	0.001^#	− 1.64	0.49	0.005^#	− 1.67	0.44	0.001^#
2	30	− 0.62	0.36	0.511	− 1.12	0.56	0.281	− 0.74	0.43	0.497
2	31	− 1.78	0.50	0.002^#	− 2.35	0.69	0.004^#	− 1.76	0.57	0.012^##
30	31	− 1.16	0.45	0.056^&	− 1.23	0.55	0.157	− 1.02	0.50	0.248

BPR configuration^* (TypeX)	Compared to BPR configuration^* (TypeY)	Bus accidents			Bus & pedestrian accidents
BPR configuration^* (TypeX)	Compared to BPR configuration^* (TypeY)	Estimate	St. error	Adj P	Estimate	St. error	Adj P
1	2	− 0.99	0.47	0.211	− 1.14	0.62	0.392
1	30	− 1.63	0.38	0.0001^#	− 2.25	0.47	< 0.0001^#
1	31	− 3.13	0.47	< 0.0001^#	− 3.45	0.57	< 0.0001^#
2	30	− 0.63	0.46	1.0	− 1.11	0.56	0.298
2	31	− 2.13	0.58	0.002^#	− 2.31	0.69	0.005^#
30	31	− 1.50	0.50	0.017^##	− 1.20	0.55	0.180

^*See categories of BPR configuration combined with bus-overtaking possibility in Table 4. Significant difference with ^#p < 0.01, ^##p < 0.05, ^&p < 0.1