Question

when you see this black and yellow sign, it means: the road to the right is for one-way traffic only detour to the right because of road construction slow down because the road ahead changes direction at an extreme angle there is a cross road ahead on your right

Explanation:

Black and yellow signs are typically used for construction and maintenance warning signs. The arrow pointing to the right indicates a detour direction. Road construction often requires drivers to take alternate routes, which is consistent with the detour message.

Answer:

Detour to the right because of road construction