The controller extends one arm horizontally forward, indicating that only traffic coming from directly in front of them must stop.

The controller extends one arm horizontally backward, instructing only traffic approaching from behind them to stop.

The controller extends both arms horizontally, one forward and one backward, meaning traffic from both directions must stop.

The controller extends one arm horizontally to their right, signaling that only traffic approaching from their right side must stop.

The controller raises one arm vertically and extends the other horizontally forward. This complex signal means traffic in currently moving lanes must stop, while other lanes can proceed cautiously to clear the intersection.

The controller moves an arm up and down, indicating to drivers that they should slow down their vehicles.

A traffic warden holds a circular sign with a horizontal bar across it, which is a clear instruction for all traffic facing the sign to stop.