R.I. Gen. Laws § 39-9-11
Every passenger upon a railroad within the limits of this state shall have the privilege of taking with him or her upon any train, on which he or she is a passenger, personal baggage not exceeding eighty pounds (80 lbs.) in weight, without any charge on the part of the railroad company transporting the baggage, except the railroad fare of the passenger; and bicycles are hereby declared to be, and are decreed to be baggage, within the meaning of this section, and shall be by the railroad companies transported as baggage, subject to the same liabilities; provided, however, that no railroad company shall be required to transport more than one bicycle for a single person, and no passenger shall be required to crate, cover, or otherwise protect any bicycle.
R.I. Gen. Laws § 39-9-11