A passenger in a public passenger vehicle or a person in a rail transit station must not:
(1) Smoke or carry a lighted or smoldering pipe, cigar or cigarette;
(2) Consume food or drink;
(3) Spit;
(4) Discard litter, other than in an approved receptacle;
(5) Play any radio, tape recorder or similar instrument, unless the instrument is connected to an earphone that limits the sound to the individual user;
(6) Carry any flammable liquids not in a sealed container, live animals, birds, reptiles, explosives, acids or any other item inherently dangerous or offensive to others, except:
a. Guide dogs properly harnessed and accompanied by handicapped passengers; and
b. Small animals properly packaged and hand-carried;
(7) Stand, sit, or lie in front of the white line marked on the forward end of the floor of a vehicle, or otherwise obstruct the vision or function of the operator;
(8) Board any vehicle through the rear exit door or a signed emergency exit, unless so directed by an operator;
(9) Knowingly board a vehicle or knowingly enter or leave a fare-paid area of a rail transit station without paying the fare or presenting a valid transfer;
(10) Run, climb through windows or on seats, obstruct passage, obstruct the use of elevators or escalators, or otherwise endanger a passenger or operator;
(11) Wear or use roller skates, skateboards, baby carriages or strollers that are not readily collapsible, wagons or carts, unless permitted by an operator;
(12) Walk with bare feet;
(13) Sell or try to sell anything;
(14) Operate, carry, or park any bicycle, tricycle, unicycle, motorcycle, motorbike or similar vehicle, unless:
a. The person carries a valid permit from WMATA or the county to transport the vehicle; and
b. The person complies with all conditions of the permit;
(15) Be on a track, tunnel, catwalk, or any other part of the rail transit system without the express written permission of WMATA;
(16) Ride on top of or on the side of any vehicle, or between two (2) rail transit cars, without the express written permission of WMATA or the county; or
(17) Mark or draw on a station or vehicle. (1976 L.M.C., ch. 10, § 1; 1977 L.M.C., ch. 34, § 1; 1987 L.M.C., ch. 46, § 1.)