SMART with only 45 Daily Boardings per mile and 2,055 Daily WeekDay Boardings
 looks more like a TOY TRAIN in comparison to all the other single track systems in N. America  !
  System Country City/Area Annual Avg. daily System Avg. daily boardings per mile Year Stations Lines Year
served ridership weekday length (Q4 2018) opened last
  2018 boardings       expanded
  SMART     657,000 2,055 45.4 mi 45 2017 10 1 2020
10 Xochimilco Light Rail[note 2]
https://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Flag_of_Mexico.svg/23px-Flag_of_Mexico.svg.png,https://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Flag_of_Canada_%28Pantone%29.svg/23px-Flag_of_Canada_%28Pantone%29.svg.png,https://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Flag_of_Canada_%28Pantone%29.svg/23px-Flag_of_Canada_%28Pantone%29.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Flag_of_Canada_%28Pantone%29.svg/23px-Flag_of_Canada_%28Pantone%29.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
 MEX
Mexico City 35,060,000 96,054 12.9 km (8.0 mi) 12,006 1986 18[18] 1[18] 1988
19 Valley Metro Rail  USA Phoenix 15,406,300 46,800 42 km (26 mi) 1,800 2008[41] 35[40] 1 2016
  Lynx Rapid Transit Services  USA Charlotte, 7,376,500 23,200 30.4 km (18.9 mi) 1,228 2007[52] 15[53] 1[53] 2018
North Carolina
  Buffalo Metro Rail https://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Flag_of_Canada_%28Pantone%29.svg/23px-Flag_of_Canada_%28Pantone%29.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
 USA
Buffalo, 4,492,200 16,000 10.3 km (6.4 mi) 2,500 1985 14[61] 1[61] n/a
New York
  River LINE https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
 USA
TrentonCamden, 2,869,707 9,014 55 km (34 mi) 265 2004 20[64] 1[64] n/a
New Jersey
  SPRINTER https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
 USA
Oceanside, 2,403,200 7,500 35 km (22 mi) 341 2008[65] 15[65] 1[65] n/a
California
  Tide Light Rail https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png,https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
 USA
Norfolk, 1,461,500 4,600 11.9 km (7.4 mi) 622 2011[72] 11[71] 1[71] n/a
Virginia
  TECO Line Streetcars[note 3] https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
 USA
Tampa, 423,000 1,700 4.3 km (2.7 mi) 630 2002 11[76] 1[76] 2010
Florida
  Atlanta Streetcar https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
 USA
Atlanta, 280,800 300 4.3 km (2.7 mi) 111 2014 12 1 n/a
Georgia
  Sun Link  USA Tucson, n/a 4,000 6.3 km (3.9 mi) 1,026 2014 22[78] 1[78] n/a
Arizona
  CityLynx Gold Line
https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
https://upload.wikimedia.org/wikipedia/en/thumb/a/a4/Flag_of_the_United_States.svg/23px-Flag_of_the_United_States.svg.png
 USA
Charlotte, n/a 1,500 2.4 km (1.5 mi) n/a 2015 6 1 n/a
North Carolina
  Dallas Streetcar https://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Flag_of_Canada_%28Pantone%29.svg/23px-Flag_of_Canada_%28Pantone%29.svg.png
 USA
Dallas, n/a n/a 3.94 km (2.45 mi) n/a 2015 6 1 2016
Texas
43 Ion rapid transit  CAN WaterlooOntario n/a 17,166 19 km (12 mi) n/a 2019 19 1 n/a
SOURCE: https://en.wikipedia.org/wiki/List_of_North_American_light_rail_systems_by_ridership