| http://www.w3.org/ns/prov#value | - PennsylvaniaPennsylvania has a system of color detour signs" in which any detour follows signs with a specific color.[9][10][11] The detours are meant to be used if a limited-access highway has to be closed for an emergency situation such as a flood or car accident, directing motorists along local roads near the limited-access highway to the next exit.
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