Maryland Code, Labor and Employment § 9-230

(a)(1) In this section the following words have the meanings indicated.

(2) “Ridesharing” has the meaning stated in § 11-150.1 of the Transportation Article.

(3) “Vanpool operation” has the meaning stated in § 11-175.1(a) of the Transportation Article.

(1) is leased, operated, or owned by an employer for ridesharing;

(2) operates between the residence and place of employment of the passengers; and

(3) is insured in accordance with § 13-422 of the Transportation Article.