A Route 68 is found in the neighborhood(s) listed below.
/CT/Middlesex_County/Durham_Town/Main_Street_Historic_District.html">Main Street Hist Dist Durham Town, CT National Register Historic District.
/CT/New_Haven_County/Cheshire_Town/Cheshire_Historic_District.html">Cheshire Hist Dist Cheshire Town, CT National Register Historic District.
/NY/St_Lawrence_County/Lisbon_Town/Flackville.html">Flackville Lisbon Town, NY Historic Hamlet.
/NY/Washington_County/White_Creek_Town/White_Creek_Historic_District.html">White Creek Hist Dist White Creek Town, NY National Register Historic District.
/UT/Salt_Lake_County/Riverton_City/Riverton_Historic_District.html">Riverton Hist Dist Riverton City, UT National Register Historic District.