A. Except as otherwise provided in this section, every vehicle standing or parked on a highway where there are adjacent curbs shall be so standing or parked with the right-hand wheels of such vehicle parallel to and within eighteen inches of the right-hand curb.
B. The department may place signs prohibiting or restricting the stopping, standing or parking of vehicles on any highway where in its opinion such stopping, standing or parking is dangerous to those using the highway, or where such 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 restrictions stated on such signs.