Maryland Labor and Employment Section 5.5-110
§ 5.5-110.
  (a)   A railroad company may not transport an employee to or from work on a caboose or locomotive unless the railroad company provides a fixed seat with a back support for the employee.
  (b)   To protect the health and safety of employees, a railroad company shall:
    (1)   install and maintain water or chemical toilet facilities on each caboose used for service beyond a 15-mile radius from a point of dispatchment within the State for use by employees, unless the caboose is a temporary substitute for one regularly used for the service; and
    (2)   enclose all toilet fixtures, within the caboose, in a separate compartment of sufficient dimensions that is ventilated properly.
  (c)   (1)   This subsection does not apply to any caboose:
      (i)   operated on tracks of less than standard gauge;
      (ii)   normally used only during daylight hours;
      (iii)   operated only within a 20-mile radius from point of dispatchment; or
      (iv)   temporarily substituted for a regular caboose.
    (2)   To protect the health and safety of employees, the Commissioner shall require each railroad company to install and maintain:
      (i)   two or more electric marker lights on the rear of each caboose in service; and
      (ii)   one electric light for clerical work within each caboose in service, for which the railroad company shall determine the source of electricity and type of appliance.
  (d)   A railroad company may not have a common towel or common drinking cup available for use on property of the railroad company.