Route89comestoanendabout0.6miles(0.97km)awayinthesouthwestcornerofUnion,whereitintersectswithRoute190, a state route in the northern part of the U.S. state ofConnecticut.
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. 
