Table 1.

Summary of the number of images used for training and validation datasets.

Street Feature	Image Counts
	Present				Absent				Total
	All Training	All Validation	Phoenix Only Training	Phoenix Only Validation	All Training	All Validation	Phoenix Only Training	Phoenix Only Validation	Training	Validation
Sidewalk	8868	2851	5177	1745	3702	1254	2298	429	12570	4105
Sidewalk buffer	3530	629	1519	347	6066	1773	4461	1567	9596	2402
Curb cuts	5947	599	2406	268	6059	767	2459	599	12006	1366
Zebra crosswalk	1687	2456	412	100	5604	6121	2971	879	7291	8577
Line crosswalk	1762	1053	1693	758	4057	2462	3798	2257	5819	3515
Walk Signal	3126	509	1951	216	4722	1221	2747	1014	7848	1730
Bike Symbol	1127	152	853	132	9306	2138	6908	2078	10433	2290
Streetlight	1380	288	808	170	1213	273	761	171	2593	561