§ 1203. Additional parking regulations. (a) Except where angle
parking is authorized, every vehicle stopped, standing, or parked wholly
upon a two-way roadway shall be so stopped, standing, or parked with the
right-hand wheels of such vehicle parallel to and within twelve inches
of the right-hand curb or edge of the roadway.

(b) Except where angle parking is authorized, every vehicle stopped,
standing, or parked wholly upon a one-way roadway shall be so stopped,
standing, or parked parallel to the curb or edge of the roadway, in the
direction of authorized traffic movement, with its right-hand wheels
within twelve inches of the right-hand curb or edge of the roadway, or
its left-hand wheels within twelve inches of the left-hand curb or edge
of the roadway.

(c) Except where angle parking is authorized, every vehicle stopped,
standing, or parked partly upon a roadway shall be so stopped, standing,
or parked parallel to the curb or edge of the roadway. On a one-way
roadway such vehicle shall be facing in the direction of authorized
traffic movement; on a two-way roadway such vehicle shall be facing in
the direction of authorized traffic movement on that portion of the
roadway on which the vehicle rests.

(d) No person regularly engaged in the sale or repair of vehicles
shall park a vehicle upon any highway for the purpose of:

1. Displaying such vehicle for sale.

2. Greasing or repairing such vehicle, except for such repairs as may
be necessitated by an emergency.