State Route 78 marker State Route 78 marker

State Route 78

Lake Road
SR 78; primary in red, secondary in blue
Route information
Maintained by TDOT
Length36.93 mi (59.43 km)
ExistedOctober 1, 1923[1]–present
Major junctions
South end SR 104 in Dyersburg
Major intersections US 51 in Dyersburg
I-155 / US 412 in Dyersburg
North end KY 94 at Kentucky/Tennessee State Line
Location
CountryUnited States
StateTennessee
CountiesDyer, Obion, Lake
Highway system
US 78 US 79

State Route 78 (abbreviated SR 78) is a 36.93-mile (59.43 km) long primary state highway in northwestern Tennessee, USA. This highway carries a dual primary and secondary designation, however, the majority of this highway is signed as a Primary State Highway. The only portion of SR 78 designated as secondary is between its southern terminus at SR 104 to US 51 in Dyersburg.

Route description

SR 78 begins in Dyersburg as a 5-lane urban highway (with center turn lane) featuring a 40 mph (65 km/h) speed limit. North of US 51/SR 3 the road expands to a 7-lane urban highway and features the highest traffic counts in the Dyersburg area, frequently rising above 30,000 AADT. This section of SR 78 at one time featured 40 mph (65 km/h) speed limits, however, due to excessive traffic this section has been reduced to a 30 mph (50 km/h) speed limit. Locals in Dyersburg refer to the section between US 51 and I-155 as 'Hamburger Alley' because of the number of fast food restaurants lining this section of the highway. North of I-155 the highway quickly transitions from a 4-lane divided highway to a rural 2-lane highway carrying a 55 mph (90 km/h) speed limit. There is also a short 4-lane undivided section within the Ridgely city limits. SR 78 provides direct access to Reelfoot Lake State Park via SR 213 on the west side of the lake, and the park's headquarters and visitor's center on the south end of the lake via SR 21/SR 22. Access to the Northwest Correctional Complex is accomplished via SR 212 north of Tiptonville.

SR 78 is bannered as a Tennessee Scenic Parkway from its southern terminus in Dyersburg to Tiptonville at the intersection of SR 78 and SR 21/SR 22. SR 78 also carries the Great River Road designation from its intersection with SR 79 all the way to its northern terminus at the Kentucky/Tennessee state line. This highway starts out in rolling, hilly terrain and descends the first Chickasaw Bluff shortly before reaching Bogota, from this point north, the highway traverses low-lying farmland and bottomland. The Obion River crossing south of Bogota, Tennessee once held the distinction of being the oldest highway bridge in Tennessee that was still in service. The old bridge at this river crossing has since been demolished and replaced by a modern concrete bridge featuring two lanes with full-width shoulders.

Major intersections

CountyLocationmikmDestinationsNotes
DyerDyersburg0.00.0 SR 104 (Forrest Street) Finley, TrentonSouthern terminus of SR 78
1.62.6 US 51 (US Highway 51 Bypass/SR 3) Ripley, Newbern
2.2–
2.5
3.5–
4.0
I-155 / US 412 Union City, St. LouisI-155 exit 13
Nauvoo5.08.0
SR 182 west (Lenox-Nauvoo Road) Lenox
Eastern terminus of SR 182
7.9–
8.4
12.7–
13.5
Bridge over the Obion River
Bogota9.515.3
SR 103 west
Eastern terminus of SR 103
Obion
No major junctions
Lake15.224.5



SR 79 west / Great River Road south to SR 181 / I-155
Eastern terminus of SR 79; southern end of Great River Road concurrency
Tiptonville25.240.6
SR 21 / SR 22 south (Church Street/Lake Drive) Mississippi River, Hornbeak, Reelfoot Lake, Samburg
Southern end of SR 22 concurrency; provides access to Reelfoot Lake State Park
25.741.4
SR 22 north Kentucky Bend
Northern end of SR 22 concurrency
27.143.6
SR 212 west (Wray Road) Northwest Correctional Complex
Eastern terminus of SR 212
32.952.9
SR 213 east (Grays Camp Road) – Gray's Camp, Reelfoot Lake Airport
Western terminus of SR 213
36.9359.43

KY 94 east / Great River Road north Hickman
Northern terminus of SR 78 at the Kentucky state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

Template:Attached KML/Tennessee State Route 78
KML is not from Wikidata
  1. Highway Planning Survey Division (1925). Biennial Report of the Commissioner of the Department of Highways and Public Works State of Tennessee for the Years 1923 and 1924 (PDF) (Report). Nashville: Tennessee Department of Highways and Public Works. pp. 39–44. Retrieved May 19, 2023.

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