Some economists and historians, such as Milton Friedman assert that existing railroad interests took advantage of ICC regulations to strengthen their control of the industry and prevent competition, constituting regulatory capture.
ミルトン・フリードマンのような経済学者や歴史家は、ICCの規制が逆に鉄道業界を強化し、競争を妨げる「規制の虜」になると主張した。