720.Regarding the function of a 'road width transition line,' which of the following descriptions is correct?
(A)Drawn with yellow dashed lines to warn that the road ahead is under construction and to slow down.
(B)Drawn with white solid or dashed lines at locations where the road width changes, to guide vehicles tosafely follow the change in road width and adjust direction.
(C) Drawn with double white solid lines atlocations where lanes merge, prohibiting vehicles from crossing over to change lanes.
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統計: 尚無統計資料