Zipper merge
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.
A lane is closed ahead and traffic is backed up. Where should you merge?
The rule
When a lane is closed ahead and traffic is backed up, stay in your lane until the merge point, then take turns merging. The law doesn't require it, but it is the best practice; with no backup at highway speed, move over sooner.
In backed-up traffic, stay in your lane until the merge point, then take turns. The law doesn't require this, but it is the best habit.
From the SCDMV Driver's License Manual, page 7-17. This question is our own wording of that rule. The handbook and the DMV have the final word.
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