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.
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.