| ROUTE LOG I-24 (exit 185), I-75 SB (exit 2): 0 - 0
 TN 320: 2.2 - 2.2
 TN 153: 0.7 -2.9
 US 11 SB, US 64 WB, TN 2 SB, TN 317 WB: 3.3 - 6.2
 TN 317 EB: 1.5 - 7.7
 US 11 NB, US 64 EB, TN 2 NB: 2.6 - 10.3
 Meigs-Hamilton Line: 4.0 - 14.3
 I-75 NB (exit 20), TN 311 BEGIN: 4.9 - 19.2
 US 11, US 64 Byp BEGIN, TN 2: 1.5 - 20.7
 TN 60 SB, TN 311 EB: 3.3 - 24.0
 TN 74: 0.3 - 24.3
 US 64 WB, US 64 Byp END, TN 40 WB, TN 60 NB: 1.3 - 25.6
 Polk-Bradley Line: 7.3 - 32.9
 US 411, TN 35: 0.4 - 33.3
 TN 314: 4.4 - 37.7
 TN 30: 5.1 - 42.8
 TN 68: 16.4 - 59.2
 NC STATE LINE: 3.8 - 63.0
 
 | Creation: Tennessee first attempted to have US 74 extended west from Asheville NC in 1978.  The proposed route was I-40 to TN 32 west to today's US 321 southwest to I-40 at TN 95, then following TN 95 and TN 61 north and east to end at US 25W Clinton.  AASHTO rejected this proposal. Adjustments: Tennessee appears to have tried again in spring 1981 (though the application has no route number suggested) that was the same as the 1978 extension except it would end at I-40 west at TN 95.  AASHTO again turned this down, though nearly all of this routing was approved as an extension of US 321 in fall 1981 by AASHTO.
 
 
|  Tennessee tries to get US 74 extended in 1978
 1978 spring AASTHO minutes
 |  Tennessee tries it again in 1981
 1981 spring AASTHO minutes
 |  US 74 actually appeared in Tennessee in 1986 as an addition to US 64 from North Carolina to Cleveland; The Cleveland Bypass around the south of town to I-75; I-75 south to I-24 Chattanooga.
 
  US 74 in the southeast corner of Tennessee
 2001 Official
 Posting: US 74 is not posted anywhere on I-75.  Postings begin at the Cleveland Bypass leaving I-75.
Secret TN Route Overlay: TN 311 (Cleveland Byp, 4.8 mi)
 TN 60 (Cleveland Byp, 1.6 mi)
 TN 40 (Cleveland to NC, 37.4 mi)
 Comment: US 74 only has one small non-duplexed segment, the 1.5 miles from I-75 Exit 20 to US 11-64 Cleveland.
 East of I-75, US 74 is part of Appalachian Corridor K and is 4-lane improved from Cleveland to Ocoee and Ducktown to NC.  The 25 miles in between follows the narrow path of the Ocoee River and upgrading this segment to modern 4-lane standards will be a tall and expensive task.  Both the 2013 and 2019 versions of ADHS Corridor update documents say that the Ocoee River section is under location/environmental study.
 Not sure of the point of extending US 74 to Chattanooga if it's not going to be signed that way.
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