As used in this Chapter, the following words and phrases shall the meanings respectively ascribed to them:
Physically driving or operating or being in actual physical control of a motor vehicle.
A person is in an "intoxicated condition" when he/she is under the influence of alcohol, a controlled substance, or drug, or any combination thereof.
Includes the definition of Law Enforcement Officer in Subdivision (17) of Section 556.061, RSMo., and Military Policemen conducting traffic enforcement operations on a Federal military installation under military jurisdiction in the State of Missouri.