CT 306
  • Summary An old number for part of today's Route 59 and all of the old Route 106 in Bridgeport and Easton.
  • From c. 1925
  • To Jan. 1, 1932

State Highway 306 followed today's Route 59 from Bridgeport to Easton, then followed Center Road (old Route 106) to end at Route 58.