City of Baltimore
Baltimore City Code

§ 45-2. Postings prohibited.

No person may post, place, or affix a sign:

(1) on any building owned, leased, or controlled by the City;

(2) on or within the confines of any public park, recreation area, or other landscaped grounds owned or operated by the City;

(3) on any flagpole or tree owned by the City;

(4) on any traffic-control sign or device, including but not limited to, stop lights and their standards, stop signs, yield signs, 1-way street signs, and any other sign or device that directs traffic or controls traffic signals, or on the supporting post of any traffic-control sign or device;

(5) in any way that:

(i) blocks a motorist's, cyclist's, or pedestrian's view of a traffic-control sign or device so as to create a hazard;

(ii) protrudes into a street or sidewalk so as to interfere with the safe passage of the public; or

(iii) otherwise poses a hazard to motorists, pedestrians, or cyclists;

(6) on any other property owned, leased, or controlled by the City; or

(7) on any pole, building or property that is owned, leased, or controlled by a public utility and located within or on any public street, alley, or other public property.