State Route 175Y (SR 175Y) was an  spur route of SR 175 in Chincoteague. The route ran from SR 175 near the eastern end of the original causeway onto the island north along Main Street to the northern border of Chincoteague.
State Route 175Y (SR 175Y) was a spur route of State Route 175 in Chincoteague Island, running from SR 175 near the eastern end of the original causeway to the northern border of Chincoteague.