Reference marker (New York)

A reference marker in New York is kind of like the numbers on the side of a ruler or measuring tape that help you know how long something is. Reference markers in New York are little signs with numbers on them that are placed along highways and roads to help drivers know where they are and how far they have to go to get to their destination. So just like how the numbers on a ruler help you measure things, reference markers in New York help drivers measure how far they've traveled and how much farther they have to go.