Street parking direction and stop-sign rules
Parking on the wrong side of the street creates two immediate problems: the curb position places the driver's door toward moving traffic, and the vehicle faces oncoming drivers who do not expect a car pointed against the normal flow. The same confusion applies when a driver stops too close to an intersection control point such as a stop sign. Local parking restrictions use posted signs and painted curbs, but the underlying rule is usually consistent: park parallel to the curb in the direction of travel and leave available clearance for sight lines, maneuvering space, and approaching vehicles.
Essential answer
Parking on the wrong side of the street generally means stopping with the right-side wheels against the left curb, so the vehicle faces opposing traffic. Most US jurisdictions prohibit this because the parked car becomes a hazard after dark and during low-visibility conditions. Reflectors intended for the rear face away from approaching drivers, while headlights and front marker lamps point away from the flow. Even in daylight, a wrong-way parked vehicle encourages a door to open directly into the travel lane. The basic rule is to park with the vehicle's right side parallel to the right-hand curb, except on one-way streets where local rules may allow either side under posted conditions.
Parking in front of a stop sign is treated separately because the violation is about intersection visibility rather than vehicle direction. The painted curb, red zone, or sign communicates a parking restriction measured from the sign or crosswalk. Stopping too close boxes in the intersection and blocks the view of drivers who need to see crossing traffic before entering. Available clearance matters because vehicle dimensions change how far a parked car extends into the sight triangle. A compact car may leave enough maneuvering space, while a longer pickup or van in the same spot can hide a pedestrian or bicycle until the approaching driver is too close to react.