Lane Closed Ahead
A lane is closing ahead — merge required.
Lane Closed Ahead road sign used in the BC ICBC knowledge test
What does the Lane Closed Ahead mean?
One or more lanes are closing. You must merge safely into the open lane. BC uses the zipper merge — merge at the point of the closure, not far in advance.
In British Columbia, drivers are required to understand and respond correctly to the Lane Closed Ahead at all times. Failure to comply with regulatory signs can result in fines or collisions.
Is this sign on the ICBC knowledge test?
Yes — the Lane Closed Ahead is commonly tested on the BC ICBC knowledge test. Drivers must know its meaning, correct shape, colour, and the proper response when encountering it on the road. Road signs make up approximately 25–30% of the ICBC knowledge test, making them one of the most important categories to study.
BC Driving Test Tip
In BC, the recommended merge practice is to use both lanes to the merge point, then take turns (zipper merge).
Quick Summary
| Sign Type | Construction Zone |
| Sign Shape | Diamond/Rectangle |
| Sign Colour | Orange/Black |
| Meaning | A lane is closing ahead — merge required |
Practice Question
Test your understanding with a sample ICBC-style question.
What should drivers do when they see this sign?
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