Mile markers are posted along the outside shoulder to mark the edge of a limited-access highway. They give drivers information about
- the condition of the highway.
- their locations on the highway.
- the posted speed limits on the highway.
Mile markers (also known as mileposts) are posted along the outside shoulder to mark the edge of the highway and give drivers information about their locations on the highway for navigational and emergency purposes. On Florida's interstate highways, exit numbers correspond to the mile markers along the highway.
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