Today's US 270 was not commissioned until 1930.  A different US 270 was among the original routes of 1926:
Picture
c. 1927, National Map Company
It branched off its parent route (US 70) at Sparta.  This photo was looking east on Bockman Way (US 70).  To the right on what is now TN 1 (Mayberry Street) is where US 270 began:
Picture
Karners, Apr. 2014
From Sparta, US 270 essentially followed the path of what is now US 70-S, ending at US 41 in Murfreesboro.  This interactive image is looking south on Maney Avenue.  Straight ahead was southbound US 41, while northbound was to the right on Main Street.  To the left on Main was the west beginning of US 270:
US 270 was so short-lived because it soon became a part of US 70-S.  The next year, its number was recycled and applied to modern US 270.  Later, the routing of US 70-S was changed to follow Broad Street and Mercury Boulevard.
Research and/or photo credits: Nathan Edgars; Karin and Martin Karner; Dale Sanderson; Michael Summa
Page originally created 2005;
last updated Aug. 12, 2019.