Where angle parking has been established and is allowed, as shown by curb marking or signposting, or both, each vehicle stopped or parked shall be at an angle of approximately forty five degrees (45o) to sixty degrees (60°) with the front wheel touching the curb and within any parking lines painted on the curb or street; provided, that the front wheel not touching the curb shall be the portion of the vehicle furthest in the direction of one-way traffic; and it is unlawful to park in violation of this section. (1976 Code)