Sec. 541.302. TRAFFIC AREAS. In this subtitle:
(5) "Highway or street" means the width between the boundary lines of a publicly maintained way any part of which is open to the public for vehicular travel.
(6) "Improved shoulder" means a paved shoulder.
(7) "Laned roadway" means a roadway that is divided into at least two clearly marked lanes for vehicular travel.
(11) "Roadway" means the portion of a highway, other than the berm or shoulder, that is improved, designed, or ordinarily used for vehicular travel. If a highway includes at least two separate roadways, the term applies to each roadway separately.
(15) "Shoulder" means the portion of a highway that is:
(A) adjacent to the roadway;
(B) designed or ordinarily used for parking;
(C) distinguished from the roadway by different design, construction, or marking; and
(D) not intended for normal vehicular travel.