A driver can only move from one lane to another if:
if he does not endanger and restrict the driver driving in the lane into which he moves ; while he must give a signal to change the direction of travel ;
if he does not endanger the driver driving in the lane into which he is moving ; does not give a signal to change the direction of travel ;
if he does not endanger and restrict the driver driving in the lane into which he is moving ; does not give a signal to change the direction of travel .