Tennessee State Route 422

{{Short description|Highway in Tennessee}}

{{Use American English|date=May 2025}}

{{Use mdy dates|date=January 2025}}

{{Infobox road

|state=TN

|type=Sec

|route=422

| map={{maplink-road|from=Tennessee State Route 422.map}}

|map_custom=yes

|map_notes=TN 422 highlighted in red

|alternate_name=Long Island Road

|length_mi=2.38

|length_ref=

|direction_a=South

|terminus_a={{jct|state=AL|CR|93|county1=Jackson}} at the Alabama state line

|junction=

|direction_b=North

|terminus_b={{jct|state=TN|Sec|156}} in New Hope

|counties=Marion

|previous_type=Sec

|previous_route=421

|next_type=Sec

|next_route=423

}}

State Route 422 (SR 422), also known as Long Island Road, is a short {{convert|2.38|mi|km|adj=mid|-long}} north-south state highway located entirely in the city of New Hope, Tennessee.{{cite web|url=https://www.tn.gov/content/dam/tn/tdot/maps/county-maps-(us-shields)/h-m/Marion%20County.pdf|title=Marion County road map|website=www.tn.gov|author=Tennessee Department of Transportation (TDOT)|access-date=November 11, 2019}} It connects various neighborhoods of the city with its main business district and the Alabama state line. SR 422 is a winding two-lane road for its entire length.{{cite web|url=https://www.tn.gov/content/dam/tn/tdot/maps/city-maps/city-maps-l-o/map-city-New%20Hope.pdf|title=Map of New Hope, Tennessee|website=www.tn.gov|author=Tennessee Department of Transportation (TDOT)|access-date=November 11, 2019}}{{Google Maps|url=https://www.google.com/maps/place/TN-422,+New+Hope,+TN+37380/@35.0020689,-85.6790969,14z/data=!4m2!3m1!1s0x8861add135878381:0x4240b74cb6c38f3d|title=State Route 422|access-date=November 11, 2019}}