What does this road sign indicate?

Question

KET Užduotys · Accepted Answer

Correct answer: An area where, on all roads, the traffic of polluting vehicles is restricted or banned.. Explanation: This is the "Low-emission zone" sign. It marks an area set by the municipality where the traffic of motor vehicles that do not meet the set environmental standards is restricted or banned.. KET reference: KET appendix 1, 561: "Low-emission zone" — an area set by the municipality where the traffic of polluting motor vehicles is restricted.