Md. Code, Transportation § 8–661

(a) In this section, “traffic control device” has the meaning stated in § 11–167 of this article.

(b) The Administration shall establish a policy that allows for the installation of decorative treatments on traffic control devices that have been marred by graffiti or vandalism that includes:

(1) Illicit writings or drawings;

(2) Illegal postings; or

(3) Blight from incomplete mitigation of graffiti.

(c) (1) A person may apply to the appropriate district office within the Administration for a permit to install a decorative treatment, including a digitally printed vinyl wrap or paint, on a traffic control device.

(2) Subject to the requirements of this section, a district office may issue a permit to install a decorative treatment on a traffic control device within the jurisdiction of the district office.

(d) (1) The Administration shall adopt regulations for the installation of decorative treatments that prohibit decorative treatments from:

(i) Interfering with the operation or maintenance of a traffic control device; or

(ii) Obstructing access to and ventilation of a traffic control device.

(2) (i) Subject to subparagraph (ii) of this paragraph, the Administration shall adopt viewpoint and content neutral regulations that provide the minimum requirements for decorative treatments.

(ii) A decorative treatment may not:

1. Contain an advertisement;

2. Contain an image or a description of graphic violence;

3. Contain profanity;

4. Contain pornography, obscene material, or images of nudity;

5. Demean or disparage an individual or a group of individuals;

6. Violate a copyright or any other legal ownership interest; or

7. Unnecessarily engage the attention of drivers or cause driver distraction.

(3) The Administration may adopt any additional regulations necessary to implement this section.