Table 1.

Characteristics of Philadelphia street segments, stratified by bicycle injury crashes 2011–2014.

	Injury crash (n = 1774)		No injury crash (n = 35,929)
	n	%	n	%
Intersections – number of exits
2	73	4.2	2191	6.1
3	819	47.0	21,955	61.1
4	1363	78.2	23,810	66.3
≥5	396	22.7	5565	15.5
Intersections – stop type
All way stop signs	480	27.5	11,886	33.1
One or two way stop signs	878	50.3	23,935	66.6
Signalized	1053	60.4	9233	25.7
Other (incl. pedestrian crossing)	456	26.1	13,142	36.6
Street – class code
2 (Major arterial)	366	21.0	2387	6.6
3 (Minor arterial)	511	29.3	4855	13.5
4 (Collector)	638	36.6	14,183	39.5
5 (Local)	229	13.1	14,482	40.3
Street – vehicular traffic
No estimate available	850	48.7	28,143	78.3
Low volume	235	13.5	2666	7.4
Moderate volume	317	18.2	2573	7.2
High volume	342	19.6	2547	7.1
Street – characteristics
Length (meters) [mean, SD]	[1.159	1.053]	[1.073	0.886]
One way	890	51.0	16,149	44.9
Bicycle traffic index [mean, SD]	[0.608	1.746]	[−0.029	0.939]
Trolley	208	11.9	1829	5.1
Any bicycle lane	442	25.3	3409	9.5