Complex sentence: VT 31 begins at the New York state line in Wells; the road is known in New York as Washington County Route 25; which continues south to New York State Route 149 in Granville.
Split into simpler sentences: VT 31 begins at the New York state line in Wells, where it connects to Washington County's County Route 25. The county road continues south to New York State Route 149 in Granville.