What does this road sign indicate?

Question

KET Užduotys · Accepted Answer

Correct answer: It marks a road where traffic across its whole width runs in one direction.. Explanation: This is the information sign No. 503 “One-way traffic”. It tells drivers they are entering a road or carriageway where all vehicles may travel in only one direction — the direction the arrow on the sign points.. KET reference: KET 1 pr. 503: One-way traffic. A road or carriageway where vehicle traffic across its whole width runs in one direction.