Broken White Lines
Lane boundary — lane changes permitted.
Broken White Lines road sign used in the BC ICBC knowledge test
What does the Broken White Lines mean?
Broken white lines separate lanes of traffic moving in the same direction. You may change lanes when it is safe, but you must check mirrors and blind spots first.
In British Columbia, drivers are required to understand and respond correctly to the Broken White Lines 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 Broken White Lines 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
Broken white lines allow lane changes. Check mirrors and signal before changing lanes.
Quick Summary
| Sign Type | Road Markings |
| Sign Shape | Lines |
| Sign Colour | White |
| Meaning | Lane boundary — lane changes permitted |
Practice Question
Test your understanding with a sample ICBC-style question.
What should drivers do when they see this sign?
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