The original SR 175 was on a different route before 2004, when the last of East Shelby Drive were included into the route. The original road took a sharp left onto what is now Houston Levee Road for, then a sharp right onto what is now Collierville Road, and continued east for, until reaching Byhalia Road, and taking a sharp left, continuing to the end of the current route. These last 2.4 miles of SR 175 have undergone rigorous construction since about 1998, and barely one-third of the current road follows exactly the original route. Prior to the 1980s, Shelby Drive was known as "Whitehaven-Capleville Road" or "Whitecap" for short; also, the portion of the current route between Fleming Road and Byhalia Road in Collierville was called "Mann Road."
SR 175 begins in extreme southwestern Shelby County as a continuation of MS 301 along Weaver Road. It intersects US 61/SR 14 and travels with it until Shelby Drive where it turns east. After about, SR 175 passes Greeter Park and intercepts Horn LakeRoad to become East Shelby Drive, passing through the community of Persey. SR 175 then crosses the Illinois Central Railroad. From this point, SR 175 travels another 2.4 miles through Whitehaven in southern Memphis, and intercepts US 51. Then, SR 175 continues for, and intercepts I-55/I-69. Shortly after, intercepting Airways Boulevard and passing the Memphis International Airport. After passing the airport SR 175 has an intersection with SR 176 before it intercepts US 78 within the community of Capleville and crosses the BNSF Railway twice.
After, and crossing several major city roads, SR 175 crosses South Germantown Road and enters Germantown. It then intercepts Hacks Cross Road after.
Collierville
Following another 2 miles, SR 175 shares a crossroads with Forest HillIrene Road, entering Collierville, and becoming a two-lane road. For the next 2 miles SR 175 is somewhat rural, then crossing South Houston Levee Road. SR 175 then briefly widens to six lanes for before crossing Fleming Road, and then goes another along a narrow rural route before stopping at Byhalia Road. SR 175 turns left onto Byhalia Road and heads nearly due north. SR 175 continues for 1 mile until widening to four lanes and crossing SR 385. SR 175 then travels 1 mile before the designation ends at Poplar Avenue in the heart of the Collierville business district. Although SR 175 stops here, Byhalia Road continues.
