Every railroad corporation shall sell to an express messenger or to a person conducting a local express business, as provided in section two hundred and six, in its trains or cars within the commonwealth, a season ticket for his personal transportation, at a price not exceeding that at which similar tickets are sold to passengers, upon receiving from him a release of all right, to whomsoever accruing, to damages or compensation for death or for any personal injury received by him while riding on such ticket.
Mass. Gen. Laws ch. 160, § 193