Route 169 is a 47.36-mile-long (76.22 km) state highway in the U.S. states of Connecticut and Massachusetts. It begins in the city of Norwich, Connecticut, and runs 38 miles (61 km) through Northeastern Connecticut, continuing across the state line into Southbridge, Massachusetts. The route ends in Charlton after another nine miles (14 km). A portion of the route in the town center of Pomfret is on the National Register of Historic Places as Pomfret Street Historic District, and 32.10 miles (51.66 km) of the road is designated as the Connecticut State Route 169 National Scenic Byway.