Tennessee State Route 23

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State Route 23 primary marker State Route 23 secondary marker

State Route 23
Union Avenue, Walnut Grove Road
Route information
Maintained by TDOT
Length: 8.83 mi[1] (14.21 km)
Major junctions
West end: US 51.svg US 51 at Bellevue Boulevard

Tennessee 277.svg SR 277 at East Parkway

Secondary Tennessee 57.svg SR 57 at Poplar Avenue
East end: I-240.svg I-240 Exit 13 near Shelby Farms
Counties: Shelby
Highway system
US 23 I-24

State Route 23 (abbreviated SR 23) is an east–west major arterial urban highway running from Bellevue Boulevard (US 51) near downtown Memphis, Tennessee to Interstate 240 in east Memphis.

Route description[edit]

SR 23 is a mix between a four-lane divided highway and a seven-lane urban highway (with center turn lane). This highway is designated on maps as being a secondary state route from its eastern terminus to its junction with SR 277 (East Parkway). At this junction, SR 23 becomes a primary state route all the way to its western terminus at US 51. SR 23 is better known as Union Avenue from its junction with SR 57 (Poplar Avenue) to its western terminus with US 51. Union Avenue continues beyond this terminus going toward downtown Memphis ending at Riverside Drive. SR 23 from Poplar Avenue to I-240 is known as Walnut Grove Road. According to data from TDOT, The SR 23 designation ends at I-240, however, Walnut Grove Road actually continues east towards Shelby Farms.


In 2008, Walnut Grove Road was widened from the interchange with I-240 to the Wolf River bridge. The project, which included a new Single Point Urban Interchange with Humphreys Boulevard, was scheduled to be complete before December 1, 2008 but was finished eight months early. The improvements will be continued east of this project through Shelby Farms, including a connection to a proposed extension of Kirby-Whitten Parkway (aka Shelby Farms Parkway). This is expected to begin within the next year or so.

Major intersections[edit]

The entire route is in Memphis, Shelby County.

mi km Destinations Notes
US 64 / US 70 west / US 79 south / US 51 (SR 3) Western terminus of SR 23; western end of US 64/US 70/US 79 concurrency
US 64 / US 70 east / US 79 north / SR 277 (East Parkway) Interchange; eastern end of US 64/US 70/US 79 concurrency
Union Avenue Extension Interchange; eastbound exit and westbound entrance
Flicker Street Interchange; eastbound exit and westbound entrance
US 72 / SR 57 (Poplar Avenue) Interchange; eastbound exit and westbound entrance
I-240 – Nashville Eastern terminus of SR 23; road continues as Walnut Grove Road
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ TDOT Region 4 Pavement Condition Data