The classes of signs described below are excepted from all provisions of this subchapter other than the provisions of § 1103(a)(2) insofar as those provisions may be implemented by regulations controlling and restricting outdoor advertising signs, displays and devices in controlled areas:

(1) Outdoor advertising signs, displays and devices 32 square feet or less erected or maintained upon real property and placed on the premises to identify a business conducted thereon.

(2) Outdoor advertising signs, displays and devices (containing 12 square feet or less in areas zoned residential or 32 square feet or less in areas zoned otherwise) upon real property stating that the property, or a part thereof, is for sale or for rent.

(3) A notice or advertisement required by law in any legal proceeding or put upon the property by public authority.

(4) A danger or precautionary sign containing 2 square feet or less relating to the premises or a sign warning of the condition of or danger of travel on a highway.

(5) Any notice or sign of any railroad or other transportation or transmission or communication company necessary for the direction or information or safety of the public.

(6) Any sign containing 6 square feet or less and directing travelers to any town, village, city, historical site or attractions, provided the same is maintained at public expense.

(7) Nonofficial signs displayed on transit shelters under contracts approved by the Department.

42 Del. Laws, c. 182, § 8; 17 Del. C. 1953, § 1114; 53 Del. Laws, c. 87, § 1; 57 Del. Laws, c. 276; 60 Del. Laws, c. 290, § 6; 61 Del. Laws, c. 262, §§ 17, 18; 63 Del. Laws, c. 178, §§ 1, 2; 71 Del. Laws, c. 318, §§ 2, 3.