The sign "other or multiple multi-track vehicles" (1049-13) indicates that vehicles such as trailers, caravans, or specific types of trucks are allowed to enter the area or road. This sign is typically used in conjunction with other traffic signs that may restrict or allow specific vehicle types.

When you see this sign, it is important to understand that it refers to specific categories of vehicles that may not be accounted for under standard vehicle restrictions. It’s crucial for drivers to look out for additional regulations or signs that may accompany this indication, as they may have specific speed limits or other requirements.

In summary, this sign informs drivers that certain vehicles related to multi-track situations are permitted in this area, and they should remain cognizant of specific traffic rules that may apply to them. If you have any specific questions about this sign or related traffic rules, feel free to ask!