The traffic sign "Vehicles with water-hazardous cargo" indicates that vehicles transporting materials that could potentially harm water sources are prohibited from entering a certain area. This is particularly important for protecting water bodies from contamination due to spills or leaks of hazardous substances.

If you see this sign, it is essential to understand that only vehicles that do not carry such hazardous materials are allowed to enter. This regulation helps ensure the safety of the environment and the health of the community by preventing pollution. Always pay close attention to this sign, especially when driving near bodies of water or sensitive ecological areas.