Except as otherwise provided in this article, every vehicle stopped or parted upon a roadway where there are adjacent curbs shall be so stopped or parked with the right-hand wheels of the vehicle parallel to and within 18 inches of the right-hand curb. Every vehicle stopped or parked upon the left-hand side or a one-way street where there are adjacent curbs shall be parked or stopped with the left-hand wheels parallel to and within 18 inches of the left-hand curb.
(47 O.S. § 11-1004) (`90 Code, § 20-121)