[RSMo. §302.020]
A.
Unless otherwise provided for by law, it shall be unlawful for any person, except those expressly exempted by Section 385.020, to:
1.
Operate any vehicle upon any highway in this City unless he/she has a valid license;
2.
Operate a motorcycle or motortricycle upon any highway of this City unless such person has a valid license that shows he/she has successfully passed an examination for the operation of a motorcycle or motortricycle as prescribed by the Director. The Director may indicate such upon a valid license issued to such person, or shall issue a license restricting the applicant to the operation of a motorcycle or motortricycle if the actual demonstration, required by Section 302.173, is conducted on such vehicle;
3.
Authorize or knowingly permit a motorcycle or motortricycle owned by him/her or under his/her control to be driven upon any highway by any person whose license does not indicate that the person has passed the examination for the operation of a motorcycle or motortricycle or has been issued an instruction permit therefor;
4.
Operate a motor vehicle with an instruction permit or license issued to another person.
B.
Every person operating or riding as a passenger on any motorcycle or motortricycle, as defined in Section 301.010, RSMo., upon any highway of this City shall wear protective headgear at all times the vehicle is in motion. The protective headgear shall meet reasonable standards and specifications established by the Director.