List of United States local bus agencies explained

The following is a list of local bus agencies in the United States, ranked by ridership. All figures are unlinked passenger trips for the stated time period and come from the Federal Transit Administration's National Transit Database (NTD).^[1]

List

The NTD categorizes ridership data by type of service: directly operated (DO) and purchased transportation (PT). The data below shows the sum of these two values for each transit agency. Only the top 100 agencies with the most ridership in 2023 are shown.

Rank	Transit Agency		2023 Annual Ridership
1				570,625,248
2			218,606,428
3			161,699,361
9			142,000,000 (~)
4			131,382,949
5			119,571,794
6			110,073,907
7			103,614,360
8			80,925,593
10			64,094,524
11			57,895,179
12			51,242,406
13			51,093,925
14			47,389,214
15			42,732,388
16			40,056,517
17			37,821,610
18			34,483,607
19			33,129,953
20			32,965,101
21			32,356,940
22			32,122,711
23			30,123,953
24			27,275,239
25			27,029,923
26			23,224,263
27			22,750,332
28			22,384,263
29			21,640,192
30			21,067,532
31			19,994,905
32			17,895,284
33			17,696,044
34			17,355,902
35			17,315,803
36			16,623,953
37			15,963,454
38			15,176,183
39			15,151,308
40			14,908,216
41			14,417,280
42			12,902,123
43			12,763,073
44			12,748,998
45			12,512,366
46			12,216,395
47			11,312,581
48			11,128,906
49			11,050,285
50			10,841,740
51			9,408,948
52			9,403,885
53			9,308,425
54			8,987,190
55			8,947,157
56			8,922,420
57			8,880,029
58			8,827,000
59			8,726,500
60			8,494,945
61			8,452,553
62			8,452,534
63			8,230,593
64			8,192,009
65			8,180,587
66			8,133,461
67			8,064,887
68			7,769,803
69			7,740,767
70			7,308,492
71			7,191,010
72			6,942,970
73			6,465,548
74			6,280,450
75			6,275,580
76			6,101,806
77			6,061,592
78			6,025,092
79			5,983,884
80			5,809,575
81	University of Michigan Campus Transit		5,705,417
82			5,659,465
83			5,633,346
84			5,568,955
85			5,253,627
86			5,142,985
87			5,030,919
88			4,982,275
89			4,853,259
90			4,831,277
91			4,700,870
92			4,616,187
93			4,535,029
94			4,472,832
95			4,450,822
96			4,443,907
97			4,443,045
98			4,409,766
99			4,320,159
100			4,223,553

See also

• List of bus transit systems in the United States
• List of rapid transit systems
• List of light-rail transit systems
• List of United States light rail systems by ridership
• List of United States rapid transit systems by ridership
• List of suburban and commuter rail systems
• List of United States commuter rail systems by ridership

Notes and References

1. Web site: Raw Monthly Ridership. 2 March 2024. Federal Transit Administration. 25 May 2024.