U.S. Route 70 Alternate (US 70A) is a 61.7-mile-long (99.3 km) alternate route to US 70 between Brownsville, and Huntingdon in West Tennessee. Signage along this route, and on most maps, show it as US 70A and not US 70 Alternate.[1]

U.S. Route 70A marker
U.S. Route 70A
Route information
Maintained by TDOT
Length61.7 mi (99.3 km)
Major junctions
West end US 70 / US 79 in Brownsville
Major intersections
East end
US 70 / US 70 Bus. in Huntingdon
Location
CountryUnited States
StateTennessee
CountiesHaywood, Crockett, Gibson, Carroll
Highway system
US 70S SR 70

Route description

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Haywood County

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US 70A begins in Haywood County in Brownsville at an intersection with US 70/US 79/SR 1/SR 76 just east of downtown. It heads north, concurrent with US 79 and unsigned SR 76, along Dupree Street to bypass downtown along its east side to come to an intersection with SR 369, where the highway turns east along N Washington Avenue to leave Brownsville and pass through farmland and rural areas for several miles before crossing into Crockett County via a bridge over the South Fork of the Forked Deer River.[2]

Crockett County

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US 70A/US 79 almost immediately enter Bells, where they pass through downtown along High Street and have an intersection with SR 88. They then have an interchange with US 412/SR 20 before leaving Bells and continuing northeast to pass through Fruitvale and Gadsden, where they have an intersection with SR 221, before crossing into Gibson County via a bridge over the Middle Fork of the Forked Deer River.[3]

Gibson County

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They immediately enter Humboldt and have an interchange with US 70A Bypass/US 79 Bypass/SR 366. US 70A/US 79 pass through neighborhoods along W Main Street to enter downtown, where they become concurrent with US 45W Business/SR 5. US 70A/US 79 now split off along Eastend Drive to pass through neighborhoods and have an intersection with SR 152 before having another intersection with US 70A, US 79 Bypass, SR 366, and US 45W. The highway then leaves Humboldt and continues northeast through rural areas, where they have an intersection with SR 187. US 70A/US 79 now pass through Gibson, where they have an intersection with SR 186, before crossing the North Fork of the Forked Deer River and entering Milan. They pass through the city as Van Hook Street, where they have an intersection with US 45E/SR 43/SR 77/SR 104, with unsigned SR 77 becoming concurrent with US 70A/US 79/SR 76 here. US 70A/US 79 have an intersection with SR 425 before leaving Milan passing through rural farmland, where they cross over the Rutherford Fork of the Obion River shortly before crossing into Carroll County.[4]

Carroll County

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US 70A/US 79 immediately enter the town of Atwood, where they pass through the town along Main Street and have an intersection with SR 220 before coming to a Y-Intersection where US 70A and US 79 split, with US 70A following SR 77 east while US 79 follows SR 76 north. US 70A has an intersection with SR 220 Alternate before leaving Atwood and continuing east to pass through McLemoresville, where it has an intersection with SR 105. It has an intersection with SR 436 before passing through more wooded terrain for a few miles to enter Huntingdon at an intersection with SR 22. SR 22 joins the concurrency and they turn north to bypass downtown along its west side on Veterans Drive before coming to an intersection with SR 22 Business, where SR 22 splits and heads north. US 70A curves to the east along the city’s north side for a couple of miles, where SR 77 splits off and US 70A begins following unsigned SR 364. US 70A now turns south for a short distance before coming to an end at an intersection with US 70 Business and US 70 (SR 1/SR 364) on Huntingdon’s east side.[5]

Major intersections

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CountyLocationmikmDestinationsNotes
HaywoodBrownsville0.00.0  
 
US 70 / US 79 south (S Dupree Street/E Main Street/SR 1/SR 76 south) – Stanton, Jackson
Western terminus; western end of US 79/SR 76 overlap
1.21.9 
 
SR 369 west (N Washington Avenue)
Eastern terminus of SR 369
South Fork of the Forked Deer River10.516.9Bridge over the South Fork of the Forked Deer River
CrockettBells12.319.8 
 
SR 88 west (Main Street) – Alamo
Western end of SR 88 concurrency
12.520.1 
 
SR 88 east (Central Avenue)
Eastern end of SR 88 concurrency
13.9–
14.2
22.4–
22.9
  US 412 (SR 20) – Dyersburg, JacksonInterchange
Gadsden19.431.2 
 
SR 221 west (Quincy Street) – Alamo
Eastern terminus of SR 221
Middle Fork of the Forked Deer River23.3
23.4
37.5
37.7
Bridge over the Middle Fork of the Forked Deer River
GibsonHumboldt23.6–
23.7
38.0–
38.1
 
 
 
 
 
 
US 70A Byp. east / US 79 Byp. north (SR 366 east) – Gibson, Milan
Western terminus of US 70A Bypass and SR 366; southern terminus of US 79 Bypass; interchange
24.839.9 
 
 
US 45W Bus. north (N Central Avenue/SR 5 north)
Western end of US 45W Business/SR 5 concurrency
25.340.7 
 
 
US 45W Bus. south (E Main Street/SR 5 south)
Eastern end of US 45W Business/SR 5 concurrency
25.641.2  SR 152 (E Mitchell Street)
26.743.0  
 
 
 
 
 
US 45W / US 70A Byp. west / US 79 Byp. south (SR 366) – Trenton, Three Way, Jackson
Eastern terminus of US 70A Bypass; northern terminus of US 79 Bypass
28.445.7 
 
SR 187 east
Western terminus of SR 187
Gibson30.649.2  SR 186 (Main Street) – Trenton, Three Way
32.952.9Bridge over the North Fork of the Forked Deer River
Milan36.658.9  US 45E (S 1st Street/SR 43/SR 77 west/SR 104) – Bradford, MedinaWestern end of SR 77 concurrency
38.461.8 
 
SR 425 west (Middle Road)
Eastern terminus of SR 425
39.6–
39.7
63.7–
63.9
Rutherford Fork of the Obion River
CarrollAtwood42.468.2 
 
SR 220 south (Church Street) – Lavinia
Northern terminus of SR 220
42.969.0 
 
US 79 north (E Main Street/SR 76 north) – Trezevant, McKenzie
Eastern end of US 79/SR 76 concurrency
43.570.0 
 
SR 220 Alt. south (Norris Robinson Loop)
Northern terminus of SR 220 Alternate
McLemoresville48.678.2 
 
SR 105 west (W College Street) – Trezevant
Eastern terminus of SR 105
51.082.1 
 
SR 436 north – McKenzie
Southern terminus of SR 436
Huntingdon56.891.4 
 
SR 22 south (Veterans Drive S) – Clarksburg, Lexington
Western end of SR 22 concurrency
58.393.8 
 
 
 
 
SR 22 north / SR 22 Bus. south (Paris Street) – McKenzie, Downtown
Eastern end of SR 22 concurrency; northern terminus of SR 22 Business
60.296.9 
 
SR 77 east (Gordon Browning Highway) – Paris
 
 
SR 364 begins
Eastern end of SR 77 concurrency; eastern terminus of SR 364; western end of wrong-way SR 364 concurrency
61.799.3  
 
 
US 70 / US 70 Bus. west (E Main Street/Veteran Drive S/SR 1/SR 364 west) – Jackson, Downtown, Hollow Rock, Bruceton
Eastern terminus of US 70A and US 70 Business; interchange; unsigned SR 364 continues along US 70 west
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Humboldt bypass route

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U.S. Route 70A Bypass
LocationHumboldt, Tennessee
Length3.9 mi (6.3 km)

U.S. Route 70A Bypass (US 70 Bypass or US 70A Byp.) is a bypass route of US 70A in Humboldt, Tennessee. It runs concurrently with US 79 Bypass and unsigned SR 366 for its entire length.

The highway begins as a two-lane highway at an interchange with US 70A/US 79 (W Main Street/SR 76 at the southwestern edge of town. It heads north through some industrial areas, where it has an intersection with SR 152. The highway then curves to the east through more industrial areas to cross a railroad overpass and enter a business district and come to an intersection with US 45W and US 45W Business (N Central Avenue/SR 5), where it widens to a four-lane highway and US 45W joins the highway. They then pass through some neighborhoods, where they cross over another railroad overpass, before US 70A Bypass/US 79 Bypass come to an end at an intersection with US 70A/US 79 (Eastend Drive/SR 76), with the Humboldt Bypass, and unsigned SR 366, continuing south along US 45W.[6]

The entire route is in Humboldt, Gibson County.

mikmDestinationsNotes
0.00.0   US 70A / US 79 (W Main Street/SR 76) – McKenzie, Gadsden, DowntownWestern terminus of US 70A Bypass and unsigned SR 366; southern terminus of US 79 Bypass; interchange; western end of US 79 Bypass/SR 366 concurrency
1.11.8  SR 152 (McLin Street) – Maury City, Downtown
2.84.5 
 
 
 
 
US 45W north / US 45W Bus. south (N Central Avenue/SR 5) – Trenton, Downtown
Western end of US 45W concurrency; northern terminus of US 45W Business
3.96.3   US 70A / US 79 (Eastend Drive/SR 76) – Downtown, Gibson, Milan
 
 
US 45W south (SR 366 east) – Three Way, Jackson
Eastern terminus of US 70A Bypass; northern terminus of US 79 Bypass
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

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  1. ^ "U.S. Route 70A" (Map). Google Maps. Retrieved November 13, 2019.
  2. ^ Tennessee Department of Transportation. Haywood County (PDF) (Map). Nashville: Tennessee Department of Transportation. Retrieved November 13, 2019.
  3. ^ Tennessee Department of Transportation. Crockett County (PDF) (Map). Nashville: Tennessee Department of Transportation. Retrieved November 13, 2019.
  4. ^ Tennessee Department of Transportation. Gibson County (PDF) (Map). Nashville: Tennessee Department of Transportation. Retrieved November 13, 2019.
  5. ^ Tennessee Department of Transportation. Carroll County (PDF) (Map). Nashville: Tennessee Department of Transportation. Retrieved November 13, 2019.
  6. ^ Tennessee Department of Transportation. Map of Humboldt, Tennessee (PDF) (Map). Nashville: Tennessee Department of Transportation. Retrieved November 13, 2019.