§ 70.01 TRAFFIC DIRECTION.
   The operator of a vehicle shall drive the same upon the right half of the street, and the operator of a slow-moving vehicle shall drive the same as close as possible to the right-hand edge or curb of the street, unless it is impracticable to travel on such side of the street, and except when overtaking and passing another vehicle subject to the limitations applicable by law in overtaking and passing.
(2008 Code, § 6.1.1)