Lane changes and merges: 100 feet too
A free practice question for the South Carolina permit test, with the answer explained.
Independent practice site. We're not the DMV and aren't connected to any government agency.
How far ahead should you signal before you change lanes?
The rule
The 100-foot signal rule is not only for turns: signal 100 feet or more before you change lanes or merge into traffic, on any road.
Turn your signal on 100 feet or more before you change lanes. The same distance applies to turns and merging.
From the SCDMV Driver's License Manual, page 8-9. This question is our own wording of that rule. The handbook and the DMV have the final word.
Often mixed up with
People confuse these rules with this one. Each has its own practice question.
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