For
Trains move more people with less pollution.
Against
Highways are more flexible and support goods transport.
Anonymous excerpts, translated where noted.
“Rail is efficient in terms of land use.”
“In the US trains move goods everywhere and they’re much more efficient and thus cleaner than trucks.”
“Yes, highways are more flexible than rail.”
“Railroad lines are relatively inflexible, so your mileage may actually be higher than road transport.”