A. Except as otherwise provided in this Section, every vehicle stopped or parked upon a 2 way roadway shall be so stopped or parked with the right-hand wheels parallel to and within 12 inches of the right-hand curb or edge of the roadway.

B. Except when otherwise provided in this Section, every vehicle stopped or parked upon a one-way roadway shall be so stopped or parked parallel to the curb or edge of the roadway, in the direction of authorized traffic movement, with its right-hand wheels within 12 inches of the right-hand curb or edge of the roadway, or its left-hand wheels within 12 inches of the left-hand curb or edge of the roadway.

C. The State Highway Commission with respect to highways under its jurisdiction may place signs prohibiting or restricting the stopping, standing or parking of vehicles on any highway where, in its opinion, as evidenced by resolution or order, such stopping, standing or parking is dangerous to those using the highway or where the stopping, standing or parking of vehicles would unduly interfere with the free movement of traffic thereon. Such signs shall be official signs and no person shall stop, stand or park any vehicle in violation of the restriction stated on such signs.