Lane Ends (Lane Reduction)

Correct answer: The number of lanes is reduced

The lane reduction sign gives advance notice that a lane ends; drivers in the ending lane must merge when safe.

Source: Section 7: Signs, Signals & Markings – Warning Signs

Correct answer: Use both lanes to the merge point, then alternate

In a zipper merge you continue in both lanes to the designated merge area, then alternate with vehicles from the other lane like the teeth of a zipper, keeping a steady pace.

Source: Chapter 5: Risks – 5.3 Merging