https://www.census.gov/content/dam/Census/library/publications/2021/acs/acs-48.pdf https://www.census.gov/content/dam/Census/library/publicatio... has the stati

https://www.census.gov/content/dam/Census/library/publications/2021/acs/acs-48.pdf https://www.census.gov/content/dam/Census/library/publicatio... has the statistical data you're looking for. Public transportation accounts for about 5.0% of commutes, with buses being the plurality (but not majority) mode at 2.3%, followed by subway at 1.9%, commuter rail at 0.6%, light rail at 0.2%, and ferry at 0.0% (yay rounding).