Section 4194 - Passengers and trailers(a) No bicycle shall be used to carry more persons at one time than the number for which it is designed or equipped, except that an adult rider may carry a child securely attached to the person in a backpack or sling. (b) A trailer or semitrailer designed for attachment to a bicycle may be used when securely attached thereto.21 Del. C. 1953, § 4192; 54 Del. Laws, c. 160, § 1; 60 Del. Laws, c. 701, § 60; 66 Del. Laws, c. 167, §2; 70 Del. Laws, c. 186, § 1.;