What is a single broken white line used to indicate?

A single broken white line is used to indicate lanes that can be changed. This marking allows drivers to move from one lane to another, provided it is safe to do so. The broken line signifies that lane changing is permitted, and drivers should use their turn signals to indicate their intention to switch lanes.

In the context of road markings, the broken line communicates a clear message that while lane changes are allowable, caution is still necessary. Drivers need to check for other vehicles before making the maneuver to ensure a safe transition. Proper understanding of this traffic marking is crucial for maintaining traffic flow and safety on the road.