Road is mislabeled. This section is named Deerwood Lane.  
Brown's Chapel continues west. Deerwood Lane goes south to the unshown Sourwood cul de sac.
see Google Maps and Map Quest sites at 
https://www.google.com/maps/d/viewer?mid=1CNXFi5H3Ix1IELX9S02_63K5WVg&ll=35.21486907641437%2C-85.40216646285691&z=16

https://www.mapquest.com/us/tennessee/37377-tn-286283115