The sign "Single-track vehicles allowed" (1022-12) indicates that single-track vehicles, such as motorcycles, bicycles, and scooters, are permitted to travel in this area. This sign is often placed at the beginning of a road or path where single-track vehicles are allowed, which may have restrictions for other types of vehicles, such as cars or trucks.

This is important for road users to ensure they know which types of vehicles are allowed in certain areas, promoting safety and convenience. Always look out for additional signs that may provide further information about specific rules or regulations that might apply in that area, such as speed limits or access times.