(a) A person without lawful authority may not willfully alter, or interfere with the operation of, any traffic control device or any railroad sign or signal, including any inscription, shield, or insignia on it.
(b) A person without lawful authority may not willfully deface any traffic control device or any railroad sign or signal, including any inscription, shield, or insignia on it.
(c) A person without lawful authority may not willfully injure any traffic control device or any railroad sign or signal, including any inscription, shield, or insignia on it.
(d) A person without lawful authority may not willfully knock down any traffic control device or any railroad sign or signal, including any inscription, shield, or insignia on it.
(e) A person without lawful authority may not willfully change the direction of any traffic control device or any railroad sign or signal, including any inscription, shield, or insignia on it.
(f) A person without lawful authority may not willfully twist any traffic control device or any railroad sign or signal, including any inscription, shield, or insignia on it.
(g) A person without lawful authority may not willfully remove any part of any traffic control device or any railroad sign or signal, including any inscription, shield, or insignia on it.
(h) A person without lawful authority may not possess, with an intent to use, any device capable of transmitting an infrared, electronic, or other signal to a traffic control device or a railroad sign or signal for the purpose of altering or otherwise interfering with the operation of the traffic control device or a railroad sign or signal.�
(i) A person convicted of a violation of this section is subject to imprisonment not exceeding 2 months or a fine not exceeding $500 or both.
Structure Maryland Statutes
Title 21 - Vehicle Laws -- Rules of the Road
Subtitle 2 - Traffic Signs, Signals, and Markings
Section 21-201 - Obedience to and Required Traffic Control Devices
Section 21-202 - Traffic Lights With Steady Indication
Section 21-202.1 - Traffic Control Signal Monitoring Systems
Section 21-203 - Pedestrian Control Signals
Section 21-204 - Flashing Signals
Section 21-204.1 - Lane Direction Control Signals
Section 21-205 - Display of Unauthorized Signs, Signals, or Markings
Section 21-206 - Interference With Traffic Control Devices or Railroad Signs and Signals
Section 21-207 - Funeral Processions
Section 21-208 - Erection of Signs Denoting Height of Overpasses