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  • Summary A 1920s numbering for a highway in Hartford and Bloomfield.
  • From c. 1925
  • To Jan. 1, 1932

Until 1932, State highway 311 followed the old Route 184 (now Routes 178 and 187).

An interesting WPA page (see links) describes a house on "Route 311" (which appears to be today's Route 2A) in Preston.