Highway 345 renumbered to Route 201 in the 1932 state highway renumbering, while most of modern Route 97, a northsouth state highway in Eastern Connecticut, was commissioned as well.
Route 97 is a northsouth state highway in eastern Connecticut running for 29.14 miles (46.90 km) from Route 12 in Norwich to US 44 in Pomfret. In the 1932 state highway renumbering, Highway 345 renumbered to Route 201, while most of Highway 354 (between Baltic and Lebanon center) became Route 207. 
