Simplify the following text for a Grade 3 native English-speaking person.
Original: New York State Route 308 ( NY 308 ) is a short state highway , 6.19 m in length , located entirely in northern Dutchess County , in the U.S. state of New York .
Simplified: New York State Route 308 ( NY 308 , Route 308 ) is a short road in Dutchess County , New York . The highway is 6.19 m long .