Where are vehicles allowed to park outside of populated areas for long periods of time for recreation, overnight stays, etc.?
On the side of the road.
On parking areas or off the road.✓Правильный ответ
On the right side of the traffic area, but in such way that does not obstruct the movement of other vehicles.
On the left side of the road, but in such a way that it does not impede the movement of other vehicles.
Объяснение
Extended parking outside a populated area for rest or an overnight stay belongs in a designated parking place or beyond the road itself. Merely keeping to either edge or avoiding an immediate obstruction does not make the roadside suitable for this long-duration use.