Philadelphia Drivers License Practice Test

The indication of a left turn only sign is straightforward: it mandates that drivers must turn left at the intersection. This sign is used when road regulations dictate that vehicles in that lane should not continue straight or make any other turns; they must make a left turn. Such signage is crucial for maintaining order and safety at intersections, particularly where traffic flow might otherwise lead to confusion. In contrast, signs that would allow straight moves or multiple types of turns are not relevant in this scenario. A left turn only sign explicitly restricts the movement, ensuring that drivers are clear on the actions they should take. This eliminates potential hazards associated with confusion regarding the path they are permitted to follow and reinforces the importance of obeying traffic signage for the safety of all road users.