• Summary an old state route leading from Chaplin to Putnam
  • From Jan. 1, 1932
  • To 1959

State route 91 was one of several routes that were renumbered because of conflicts with new Interstate routes designated in the 1950s. It followed an L-shaped, 23.58-mile route in eastern Connecticut:

One or more alignment changed happened in Woodstock and Putnam:

The evidence for the downtown move theory is in "Route Change Table.xls", provided by ConnDOT:

Unfortunately for state Route 91, a new Interstate 91 was designated in 1957. State route 91 was decommissioned in 1959, and its mileage was assigned to Routes 171 and 198.

CT 91 Sources