As used in this act, ridesharing arrangement means the transportation of persons in a motor vehicle where such transportation is incidental to another purpose of the driver. The term shall include ridesharing arrangements known as carpools, vanpools and buspools. Provided, however, a ridesharing arrangement shall not be construed for any purpose as a common carrier or common carrier for hire.
Okla. Stat. tit. 47, § 1002