Claim: Route 89 comes to an end about 0.6 miles (0.97 km) away in the southwest corner of Union, where it intersects with Route 190, a state route in the northern part of the U.S. state of Connecticut.
Evidence: Route 89 ends about 0.6 miles (0.97 km) later at an intersection with Route 190 in the southwest corner of Union. Route 190 is a state route in the northern part of the U.S. state of Connecticut.