Mandatory Left Turn Traffic Sign - Official Road Signage Guide #160087 (License: Personal Use)

This is a regulatory traffic sign used internationally to indicate that vehicles must make a left turn at the upcoming junction. The sign features a white left-turn arrow on a blue circular background with a white border, conforming to Vienna Convention standards. It is legally binding and enforceable by traffic authorities.

Used on roads, highways, and urban streets where traffic flow requires mandatory directional changes; commonly seen before intersections, roundabouts, or lane reductions. Matches user intent for understanding road rules, driver education, or navigation apps.