Tennessee State Route 397

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State Route 397

Mack Hatcher Memorial Parkway
Map
TN 379 in red
Route information
Maintained by TDOT
Length9.7 mi[1] (15.6 km)
Existed1983–present
Component
highways

 SR 397 / US 31 Truck / US 431 Truck
Major junctions
South end US 31
Major intersections
North end SR 96
Location
CountryUnited States
StateTennessee
CountiesWilliamson
Highway system
← SR 396→ SR 399

State Route 397 (SR 397), also known as Mack Hatcher Memorial Parkway, is a primary state route that serves as a perimeter road for the city of Franklin, Tennessee. Throughout its length, SR 397 also carries the designations of U.S. Route 31 Truck (US 31 Truck) and U.S. Route 431 Truck (US 431 Truck). The route connects multiple U.S. and state routes, and serves as a bypass around the business district of Franklin, as well as a major thoroughfare.

A route to bypass Franklin was first proposed in 1963, although major work did not begin until the late 1970s. The eastern part of SR 397 was constructed in three phases between 1983 and 1989. Since Franklin has grown rapidly since the road's initial construction, it is planned to be extended to form a full circumferential loop. The first phase of the extension was completed in 2021, with the final phase planned to complete the loop. The entire route is also planned to be eventually widened to four lanes.

Route description

SR 397, most commonly referred to as Mack Hatcher Memorial Parkway or Mack Hatcher Parkway, is located entirely within the city of Franklin in Middle Tennessee, which is the second-largest suburb of Nashville and the seventh largest city in Tennessee.[2] The parkway is a part of the National Highway System, a national network of roads identified as important to the national economy, defense, and mobility.[3][4] The route serves as both a bypass around downtown Franklin and as a major thoroughfare for traffic traveling between residential and commercial areas within the city. In 2022, annual average daily traffic counts ranged from 29,532 vehicles on the north side near US 31 (Franklin Road) to 13,610 vehicles near the southern terminus.[5]

SR 397 begins at an intersection with US 31 (Columbia Pike) south of downtown Franklin in an eastward alignment, where it also carries the US 31 Truck designation. Briefly a four-lane divided highway, it reduces to two lanes and crosses a CSX railroad mainline. It then shifts northeast, passing through residential subdivisions, before shifting east again, where it comes to an intersection with US 431 (Lewisburg Pike). Here, the US 431 Truck designation begins. The highway then crosses the Harpeth River before turning north and passing through a wooded area before widening to four lanes and reaching an intersection with SR 96 (Murfreesboro Road). Continuing northward, SR 397 passes by more subdivisions before curving to the northwest where it intersects the western terminus of Cool Springs Boulevard on the edge of the Cool Springs commercial center. Passing a golf course and wooded area, the parkway crosses Spencer Creek and the CSX railroad for a second time, before once again intersecting with US 31 (Franklin Road), where US 31 Truck ends. Next, the road proceeds westwardly, passing Battle Ground Academy before crossing the Harpeth River for a second time. It then reaches an intersection with US 431 (Hillsboro Road) for a second time, where the Truck designation for that highway ends. Entering the outskirts of Franklin, the route continues westward, reducing to two lanes and crossing the Harpeth River for a third and fourth time in short succession on a single long bridge. The highway passes through a semi-rural, but rapidly developing area still marked mostly by farmland, and curves south about one mile (1.6 km) beyond. A short distance later, SR 397 widens back to four lanes and comes to an end at an intersection with SR 96 (New Highway 96) west of downtown.[1][6]

History

A bypass to divert through traffic around downtown Franklin was first proposed in 1963.[7] The central business district had begun to suffer from congestion due to the multiple highway spokes which intersect there and the lack of outer connections between them.[8] A study of the project was conducted in 1979, along with public hearings.[9][10] An environmental impact statement for the project was approved by the Federal Highway Administration (FHWA) on July 31, 1981, which was referred to at the time as the Franklin Bypass.[8] Work on the first section, located between US 31 (Columbia Pike) and SR 96 (Murfreesboro Road) began in July 1983, and was completed in December 1985. The bypass was named the Mack Hatcher Memorial Parkway by an act of the Williamson County Commission on November 21, 1983, in honor of a former county commissioner and road superintendent.[11] Construction on the next section, between SR 96 and US 31 (Franklin Road) began in March 1987, and was opened to traffic on November 17, 1988.[12] The contract for construction of the third section, between US 31 (Franklin Road) and US 431 (Hillsboro Road) was let in December 1987,[13] and work was completed in November 1989.[14] This was the only stretch that was initially all four lanes, although adequate right-of-way was purchased to allow for widening of the entire route to four lanes.[8]

Since the parkway's initial construction, Franklin has become one of the fastest growing cities in the country, growing from slightly over 20,000 residents in 1990 to nearly 85,000 in 2020. This rapid growth has placed considerable stress on all of the infrastructure in the area, necessitating improvements to SR 397 and other roads.[15] Work on widening the stretch between US 31 and SR 96 began in September 2011, and was completed in May 2014.[16] The remaining two-lane portions are also planned to be widened in the future.[17][18]

A series of transportation plans produced by the city of Franklin between 1989 and 1998 recommended that SR 397 be extended to become a full circumferential loop around the business district, and on July 1, 1999, the Board of Mayor and Aldermen requested that the Tennessee Department of Transportation (TDOT) study the feasibility of constructing this extension.[19] On March 15, 2001, TDOT provided the city of Franklin with a feasibility report, which recommended six possible alignments.[19] Some of these alignments faced intense public opposition. A draft environmental impact statement was approved for public availability by the FHWA on November 11, 2004.[19] A supplemental draft was prepared to include a seventh alignment, Alternative G, which was approved by the FHWA on August 16, 2005.[19] On December 2, 2005, TDOT announced that the preferred alignment for the Mack Hatcher Parkway Western Extension would be Alternate G, which is the shortest of the considered routes at 7.51 miles (12.09 km) long.[2][20] Due to funding concerns, the western extension was split into two phases. Initially planned to be constructed with four lanes, most of the extension was also downgraded to two lanes, with enough right of way purchased to allow for widening to four lanes when this becomes necessary.[21]

John Schroer, who served as Franklin mayor from 2007 to 2010, advocated strongly for the extension during his tenure, but upon becoming commissioner of TDOT in 2011, deprioritized the project upon determining that it was not as much of a need as many other projects throughout the state.[18] This decision was subject to much criticism from local residents, and throughout the 2010s, many political candidates in Williamson County utilized the project as a campaign tactic.[18] The extension did not receive funding until the passage of the IMPROVE Act by the Tennessee General Assembly in 2017, which raised the state's fuel taxes and vehicle registration fees to fund a backlog of highway projects throughout the state.[22] Work began on the first segment of the extension, a length of 3.2 miles (5.1 km) between SR 96 and US 431, on December 18, 2018,[23] and was opened to traffic on November 29, 2021.[24] A dedication ceremony for the section occurred on December 13, 2021, which included the naming of the Harpeth River bridge in memory of former state representative Charles Sargent.[25]

Major intersections

The entire route is in Franklin, Williamson County.

mi[26]kmDestinationsNotes
0.00.0 US 31 (Columbia Highway/SR 6) – Franklin, Spring Hill


 US 31 Truck begins		Southern terminus of SR 397 and US 31 Truck
1.82.9 US 431 (Lewisburg Pike/SR 106) – Franklin, Lewisburg


 US 431 Truck begins		Southern terminus of US 431 Truck
2.03.2Staff Sergeant Carey Thomas Moore Memorial Bridge over the Harpeth River
3.25.1 SR 96 (Murfreesboro Road) – Franklin, Murfreesboro
4.97.9Cool Springs Boulevard
5.79.2 US 31 (Franklin Road/SR 6) – Franklin, Brentwood


 US 31 Truck ends		Northern terminus of US 31 Truck
6.810.9Matthew James Bergman Memorial Bridge over the Harpeth River
7.411.9 US 431 (Hillsboro Road/SR 106) – Franklin, Forest Hills


 US 431 Truck ends		Northern terminus of US 431 Truck
7.5–
8.0		12.1–
12.9		Charles W. Sargent Jr. Memorial Bridge over the Harpeth River
9.715.6 SR 96 (New Highway 96) – Franklin, FairviewCurrent northern/western terminus
SR 246 (Carters Creek Pike) – Franklin, BurwoodPart of the proposed Western Extension
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. ^ a b DeLorme (2017). Tennessee Atlas & Gazetteer (Map) (2017 ed.). 1 in:2.5 mi. Yarmouth, Maine: DeLorme. ISBN 978-1946494047.
  2. ^ a b "State Route 397". Tennessee Department of Transportation. Archived from the original on 2008-08-12. Retrieved 2008-06-03.
  3. ^ National Highway System: Nashville-Davidson, TN (PDF) (Map). Federal Highway Administration. October 1, 2012. Retrieved March 28, 2023.
  4. ^ Natzke, Stefan; Neathery, Mike & Adderly, Kevin (August 26, 2010). "What is the National Highway System?". National Highway System. Federal Highway Administration. Retrieved December 12, 2010.
  5. ^ Tennessee Department of Transportation. "Transportation Data Management System". ms2soft.com. MS2. Retrieved November 27, 2021.
  6. ^ Tennessee Department of Transportation Long Range Planning Division Office of Data Visualization (2018). Williamson County (PDF) (Map). Tennessee Department of Transportation.
  7. ^ "Late-1982 Start Seen For Franklin's Bypass". The Tennessean. Nashville. March 11, 1980. pp. 1-A, 5-A. Retrieved December 23, 2021 – via Newspapers.com.
  8. ^ a b c Federal Highway Administration; Tennessee Department of Transportation (1981). Proposed Franklin By-Pass From State Route 6 South of Franklin to State Route 106 North of Franklin, Williamson County (Report). Federal Highway Administration. Retrieved March 28, 2023 – via Google Books.
  9. ^ "Franklin Bypass Features Cited". The Tennessean. Nashville. September 25, 1979. p. 1A. Retrieved March 28, 2023 – via Newspapers.com.
  10. ^ Newkirk, Terrye (November 27, 1979). "Bypass Goes Back To Drawing Board". The Tennessean. Nashville. p. 3A. Retrieved March 28, 2023 – via Newspapers.com.
  11. ^ "Around the Region". The Tennessean. Nashville. November 22, 1983. p. 7-B. Retrieved December 23, 2021 – via Newspapers.com.
  12. ^ "Franklin bypass sector opens". The Tennessean. Nashville. November 17, 1988. p. 2-B. Retrieved December 23, 2021 – via Newspapers.com.
  13. ^ "Jackson firm gets Franklin Bypass final leg". The Tennessean. Nashville. December 5, 1987. p. 2B. Retrieved March 27, 2023 – via Newspapers.com.
  14. ^ "3rd leg of Hatcher Parkway to open". The Tennessean. Nashville. November 1, 1989. p. 2-B. Retrieved December 23, 2021 – via Newspapers.com.
  15. ^ East, Jim (October 1, 1998). "Road relief in sight". The Tennessean. Nashville. p. 1W. Retrieved March 28, 2023 – via Newspapers.com.
  16. ^ "Widening of Mack Hatcher Parkway Complete in Williamson County" (Press release). Tennessee Department of Transportation. May 16, 2014. Retrieved March 28, 2023.
  17. ^ "Mack Hatcher Parkway Southeast Widening". City of Franklin, Tennessee. Retrieved March 28, 2023.
  18. ^ a b c West, Emily R. (January 19, 2018). "Time has come: What it took to get Mack Hatcher extended". The Tennessean. Nashville. Retrieved March 28, 2023.
  19. ^ a b c d Federal Highway Administration; Tennessee Department of Transportation (2005). State Route 397 (Mack Hatcher Parkway Extension) From U.S. 31 (State Route 6, Columbia Avenue) south of Franklin to U.S. 431 (State Route 106, Hillsboro Road) north of Franklin: Franklin, Williamson County, Tennessee: Supplemental Draft Environmental Impact Statement and Supplemental Draft Section 4(F) Statement (Report). Federal Highway Administration. Retrieved March 28, 2023 – via Google Books.
  20. ^ "State Route 397 (Mack Hatcher Parkway) - Timeline Extension". Tennessee Department of Transportation. Archived from the original on January 12, 2018. Retrieved June 6, 2020.
  21. ^ "Long-awaited MHP extension topic of local public hearing". Williamson Herald. Franklin, Tennessee. February 10, 2015. Retrieved March 28, 2023.
  22. ^ Harmuth, Zach (May 10, 2017). "Construction to Begin on Mack Hatcher Extension Next Year". Williamson Source. Franklin, Tennessee. Retrieved March 28, 2023.
  23. ^ Burch, Edward (December 18, 2018). "State breaks ground on Mack Hatcher Parkway extension". WSMV-TV. Nashville. Retrieved December 23, 2021.
  24. ^ Bomar, Coleman (November 29, 2021). "Mack Hatcher northwest extension opens". Williamson Herald. Franklin, Tennessee. Retrieved December 23, 2021.
  25. ^ McBryde, John (December 13, 2021). "Ribbon cutting gives official nod to Mack Hatcher extension, includes dedication of bridge to Sargent". Williamson Home Page. Brentwood, Tennessee. Retrieved December 23, 2021.
  26. ^ Bureau of Transportation Statistics (June 13, 2022). "National Highway Planning Network" (Map). National Transportation Atlas Database. Washington, D.C.: United States Department of Transportation. Retrieved April 29, 2023.
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