Mo. Rev. Stat. § 302.051: Government-owned vehicles, who may operate.

Unless required by the Commercial Motor Vehicle Safety Act of 1986 (Title XII of Pub. Law 99-570) or section 302.272, any person holding a valid license, other than one limited to the operation of a motorcycle or motortricycle, may operate for official use any motor vehicle owned by the United States, the state of Missouri, or any municipality or political subdivision of this state.