Route 20
A Route 20 is found in the neighborhood(s) listed below.
- East Granby Hist Dist
East Granby Town, CT
National Register Historic District.
- West Granby Hist Dist
Granby Town, CT
National Register Historic District.
- Riverton
Barkhamsted Town, CT
Historic village.
- Eskilson Hist Dist
Gary City, IN
National Register Historic District.
- Boston Road
Springfield City, MA
City neighborhood.
- Raeford Hist Dist
Raeford City, NC
National Register Historic District
- Dunnsville
Guilderland Town, NY
Historic Hamlet.
- New Lebanon Center
New Lebanon Town, NY
Historic Postal Village
- Centerfield
Canandaigua Town, NY
Historic postal village.
- Carlisle
Carlisle Town, NY
Historic post office and hamlet.
- Sharon Springs Hist Dist
Sharon Springs Village, NY
National Register Historic District.
- Leesville
Sharon Town, NY
Historic hamlet and post office.
- Sharon Center
Sharon Town, NY
Historic postal village.
- Miller Place Hist Dist
Brookhaven Town, NY
National Register Historic District.
- Avery-Helm Hist Dist
Corvallis City, OR
National Register Historic District.
- Bramwell Additions Hist Dist
Bramwell Town, WV
National Register Historic District
Girard Park, PA- Highland Park Addition
Idaho Falls City, ID
- Saline County Courthouse
Marshall City, MO
National Register of Historic Places.