Sections one hundred and fifty-five and one hundred and fifty-seven to one hundred and sixty, inclusive, shall not apply to trains composed of four-wheel cars, or to locomotives used in hauling such trains.
Mass. Gen. Laws ch. 160, § 161
Trains composed of four-wheel cars; application
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.