Louis Brandeis

“ In exercising authority over their passenger fares, no distinction has been made between those interurban roads which were engaged in the general transportation of freight in addition to their passenger and express business and those which were not. ”

“ The creators ought not be deprived of power over their own creatures as to domestic traffic permitted only under carefully considered contracts, because of detached and obscure sentences found here and there in a general enactment designed for carriers whose lines constitute integral parts of the great interstate railway system of the country. ”

“ The question is highly important; the subject-matter is essentially local in nature; the states can and should control until and unless Congress, by clear language, shall indicate its intent to regulate. ”