734.A driver sees an orange-background 'Detour Direction' sign ahead while driving. Which of the followingstatements is correct?
(A) It is a permanently installed compliance sign indicating the road haspermanently changed its traffic direction.
(B) It is a temporary construction sign indicating roadconstruction ahead; drivers must detour in the direction of the arrow.
(C) It is an advisory sign; driversmay decide for themselves whether to detour.

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