Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 160, § 196

A railroad corporation which owns or operates a railroad of standard gauge shall check and transport between stations within the limits of the commonwealth, as baggage, and subject to the same charges, terms and liabilities as other baggage, one bicycle for each passenger who pays by a mileage book, by a ticket other than a season ticket, or in cash, the established fare, if it is not less than ten cents, exclusive of rebate. The weight of the bicycle shall be included in determining the total weight of the baggage to be transported for such passenger. Such corporation shall not require such bicycle to be crated, covered or otherwise protected.