nprofile1qy2hwumn8ghj7un9d3shjtnddaehgu3wwp6kyqpqa4ge4zt6zzfuq46v90gdr6hqcaxw7uhz83etaqhr8jlayujq3nxs0ycvu9 (nprofile…cvu9) that's not really something you can say in general, it's a very case-by-case thing
btw passenger trains in the US are unpopular because flying and driving was much cheaper a century ago due to circumstances, which led to the passenger rail network degrading (cargo rail is very much still a big thing in the US)