What does this road sign indicate?

Question

KET Užduotys · Accepted Answer

Correct answer: It forbids driving past the checkpoint without stopping.. Explanation: This is the prohibitory sign No. 321 "Checkpoint". You may not drive past without stopping at the sign. You may move on only when the inspecting officer permits it. It is set up at police, border and transport-inspection posts.. KET reference: KET 1 priedas 321: you may not drive past the sign without stopping.