Final answer:
If barricade lines are slanted down toward the right, you should pass on the left.
Step-by-step explanation:
In the context of barricade lines, if the lines are slanted down towards the right, it typically indicates that you should pass on the left. Slanted lines are often used to guide traffic and indicate the direction of travel. In this case, the slant suggests that you should pass on the left side of the barricade.
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