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U.S. Route 27 (US 27) in Tennessee runs from the Georgia state line in Chattanooga to the Kentucky state line in Isham. It forms the informal border between the Eastern and Central timezones of the state. It stays, however, in the Eastern Time Zone.
 U.S. Route 27 | |||||||
|---|---|---|---|---|---|---|---|
 US 27 highlighted in red | |||||||
| Route information | |||||||
| Maintained by TDOT | |||||||
| Length | 144.8 mi (233.0 km) | ||||||
| Existed | 1926[citation needed]–present | ||||||
| Major junctions | |||||||
| South end |  US 27 at the Georgia state line | ||||||
| North end | US 27 at the Kentucky state line | ||||||
| Location | |||||||
| Country | United States | ||||||
| State | Tennessee | ||||||
| Counties | Hamilton, Rhea, Roane, Morgan, Scott | ||||||
| Highway system | |||||||
| |||||||
Route description
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US 27 enters Tennessee from Rossville, Georgia, in Hamilton County as a four-lane highway, concurrent with both State Route 27 (SR 27) and SR 29. The route goes north as Rossville Boulevard, going through suburbs and passing by several businesses before entering Chattanooga and coming to an interchange with Interstate 24 (I-24; exits 180A–B) and briefly running concurrently with the Interstate, having interchanges with SR 58 (Market Street) and US 11/US 41/US 64/US 72/SR 2, before splitting off as a freeway (exit 178).
Freeway segment
editBeginning at I-24 and ending at SR 111, the route is a controlled-access highway for approximately 24 miles (39 km). The highway goes north as a narrow four-lane freeway (concurrent with unsigned I-124) through downtown and has interchanges with West Main Street (exit 1), Martin Luther King Boulevard (exits 1A–B; unsigned SR 316), and Fourth Street (exit 1C; unsigned SR 389) before crossing the Tennessee River on the Olgiati Bridge, where it widens to eight lanes and unsigned I-124 ends. It then has interchanges with Manufacturer's Road and Dayton Boulevard (Old US 27; unsigned SR 8) before crossing Stringer's Ridge to have an interchange with the national southern terminus of US 27's only auxiliary route, US 127, which is where SR 27 splits off to go north on that route. From here, the route is part of Corridor J of the Appalachian Development Highway System. US 27/SR 29 then narrow to six lanes and runs on top of a ridge while passing through Red Bank, where it has interchanges with Morrison Springs Road (where it narrows to four lanes), Mountain Creek Road, SR 153 southbound, and Dayton Pike northbound (once again, the old route of US 27), before entering Soddy-Daisy. The route continues north with interchanges at Thrasher Pike and Harrison Lane before having an interchange at Sequoyah Access Road, the main route to the Sequoyah Nuclear Plant. It then has an interchange with SR 319 (Hixson Pike) before running along the Tennessee River to a massive interchange with SR 111, which splits off to the northwest for Dunlap, where the freeway ends. The freeway continues along SR 111.
Hamilton County to Kentucky line
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US 27 continues as a four-lane divided highway through the small towns of Sale Creek and Graysville, where it intersects with SR 303, before crossing into Rhea County and reaching Graysville. The route then enters Dayton at the intersection with SR 378 (Market Street; Old US 27) and SR 60 (Hiwassee Highway). It bypasses downtown to the east and intersects SR 30. US 27 then has another intersection with SR 378 before it leaves Dayton and continues northward through Evensville before becoming concurrent with SR 68 and arriving at Spring City. It then has an interchange where SR 68 splits off to the west, while US 27 enters downtown and intersects with SR 302. It then leaves Spring City and continues north through farmland.
From here, US 27 enters Roane County and runs through Glen Alice before becoming concurrent with US 70/SR 1 and entering the city of Rockwood. They go straight through town, passing just east of downtown before US 70 splits to the east, taking SR 1 and SR 29 with it. US 27 then runs concurrently with SR 61 (which is signecept on I-40), as that highway begins here. US 27/SR 61 then pass through Cardiff, where they intersect with the short SR 382, which provides access to Roane State Community College. They then enter Harriman and pass through countryside before coming to an interchange with I-40 (exit 347). During this stretch, it forms part of the Harvey H. Hannah Memorial Highway and is signed as such. They then enter the South Harriman neighborhood and pass by several businesses and rejoin with SR 29 (Ruritain Road). They then cross the bridge over the Emory River to enter and pass through the historic downtown, intersecting with SR 328. Just beyond Harriman, near the DeArmond community, US 27/SR 29 then splits from SR 61 at an interchange, with the Harvey H. Hannah Memorial Highway following that route to the east. US 27/SR 29 then begin to ascend the Cumberland Plateau as it narrows to two lanes and continues northward across the plateau for its remaining 55 miles (89 km) or so in Tennessee.
In Morgan County, the highway passes through the rugged mountains of the Cumberland Plateau and has another intersection with SR 328 before ascending a ridge to enter Mossy Grove. It passes through Mossy Grove and has an intersection with Clayton Howard Road, which provides access to Lone Mountain State Forest. It then leaves the town and continues north to an intersection with Main Street (Old US 27 in downtown) just before entering Wartburg. US 27/SR 29 then widen to four lanes just before the intersection with SR 62 and becomes concurrent with that route. They go north, bypassing downtown to the east before leaving Wartburg at the intersection with Old Gobey Road, which heads off to Gobey. The highway then descends a mountain and narrows to two lanes once again just before another crossing of the Emory River. They then have an intersection with Gobey Road, another access road to Gobey, before SR 62 splits off to the west. US 27/SR 29 then becomes narrow, curvy, and winding as it passes through rural areas. The highway passes by the Morgan County fairgrounds before passing through the town of Annadel. It does not have any passing lanes before entering the town of Sunbright. US 27/SR 29 passes through the center of town, having Intersections with SR 329 and Burrville Road, an access road to Burrville. It then becomes even curvier as it leaves Morgan County to cross into Scott County. For the next 12 miles (19 km) it is one place to pass with a 40 mph (64 km/h) speed limit. US 27/SR 29 then passes through the community of Glenmary before entering Elgin, where the highway intersects SR 52, which connects the area with the historic village of Rugby and Fentress County to the west.
Beyond Elgin, US 27/SR 29 passes through Robbins, the county seat of Huntsville (where it intersects with SR 63, becomes concurrent with SR 297, and widens to four lanes), and Helenwood before reaching the city of Oneida.
In Oneida, the highway passes through a major business district before narrowing to two lanes again before entering downtown and having an intersection with SR 456 just before passing by Big South Fork Medical Center. SR 297 then splits off to the west in the center of town, which provides access to the Big South Fork National River and Recreation Area. US 27/SR 29 then passes through the rest of downtown before leaving Oneida and passes through Winfield, the last sizable town that US 27 passes through in Tennessee before it reaches the community of Isham on the Kentucky border, where SR 29 ends and US 27 continues north into McCreary County.
History
editThe route in Hamilton County was removed from its original location to build the controlled-access highway. The original route ran across the Market Street Bridge and became what is now called Dayton Boulevard, which then ran through Red Bank, east of the current route, and Soddy-Daisy, west of the current route.[1] The majority of this route stmains and is sometimes referred to as "Old US 27" or "Old 27".[2]
The first part of the controlled-access segment, located between Martin Luther King Jr. Boulevard and what is now the interchange with Dayton Pike was built between 1955 and 1959 by moving dirt from nearby Cameron Hill.[3] This segment was extended south to I-24 and north to the terminus of US 127, both between 1960 and 1963, when the corresponding section of I-24 was built.[4][better source needed] Part of this route was once signed as I-124.[5] The designation still exists, but the signage was removed in the late 1980s when the interchange with I-24 was rebuilt.[5] The controlled-access portion between SR 153 and SR 319 (Hixson Pike) was built between 1975 and 1977.[1] Construction on the controlled-access segment between US 127 and SR 153 was scheduled to begin in 1980[1] but was delayed multiple times. It was finally constructed between 1985 and 1989.[5] SR 111 was extended over Walden Ridge to Dunlap in the early 1990s, and the controlled access segment of US 27 was extended approximately 1.75 miles (2.82 km) north to the terminus at this time.[citation needed]
The entire route has been widened to a four-lane highway all the way to the second junction with SR 328 near Oakdale.[citation needed]
Beginning in February 1999, the Olgiati Bridge was widened from four to six lanes.[6] This was accomplished by attaching steel beams to the top of the posts over the river.[7] Also in this project, a ramp was added from the bridge on the north side to Manufacturer's Road, replacing a cloverleaf loop ramp which diverged past the ramp. The project, after many delays, was completed in February 2003.[7]
Beginning in the middle of 2012, the Tennessee Department of Transportation (TDOT) began rebuilding US 27 from the Olgiati Bridge to the interchange with US 127. The project involved the replacement of old bridges, widening from two lanes each way to three to four lanes each way, and construction of several retaining walls.[8] Preparations for this project had begun in December 2011.[9] The project was completed in early 2015, months ahead of schedule.[10]
In December 2015, TDOT began a $126-million (equivalent to $158 million in 2023[11]) reconstruction project to rebuild US 27 from I-24 to the recently reconstructed part.[12] The project will widen the route from the existing two to three lanes each direction to three or four lanes each direction (including two more across the Olgiati), straighten out curvy sections, rework the Fourth Street and Martin Luther King interchanges, and add retaining walls. The project was expected to be complete by July 31, 2019,[13] but, due to delays, is not expected to be complete until December 2020.[14][needs update] The substructure of the Olgiati Bridge was built wider than the superstructure in anticipation of future widening in the first widening project.[6]
Major intersections
edit| County | Location | mi | km | Exit | Destinations | Notes |
|---|---|---|---|---|---|---|
| Hamilton | Chattanooga | 0.0 | 0.0 |  US 27 south (SR 1 south) – Rossville | Georgia state line; southern end of SR 27/SR 29 overlap | |
| 2.3– 2.7 | 3.7– 4.3 |   I-24 east – Knoxville, Atlanta | Southern end of I-24 overlap; US 27 south follows exit 180B | |||
| 180A | Rossville Boulevard / Central Avenue | No northbound entrance; signed as SR 8 north, but actually serves 23rd Street (US 11 / US 64 / SR 2) | ||||
 SR 58 (Market Street) | Northbound exits and southbound entrances; loop ramps include connecting ramps to and from Long Street | |||||
   US 11 / US 41 / US 64 (Broad Street / US 72 / SR 2 / SR 17) – Lookout Mountain | Southbound exit and northbound entrance; ramps include connecting ramps to and from Williams Street | |||||
| 3.7– 4.6 | 6.0– 7.4 |    I-24 west to I-59 / I-124 begins – Nashville, Birmingham | Northern end of I-24 overlap; southern end of I-124 overlap; US 27 north follows exit 178 | |||
| 4.8– 5.0 | 7.7– 8.0 | 1 | Main Street | Northbound exit and southbound entrance | ||
| 5.2– 5.7 | 8.4– 9.2 | 1A-B | M.L. King Boulevard (SR 316 east) - Downtown | Signed as exit 1A northbound and exits 1A (east) and 1B (west) southbound | ||
| 5.7– 6.1 | 9.2– 9.8 | 1C |    I-124 ends / SR 389 west (4th Street) to SR 58 – Downtown | Northern end of I-124 overlap; southern end of SR 29 overlap; connector to SR 58; signed as SR 58 | ||
| 6.2– 6.4 | 10.0– 10.3 | P.R. Olgiati Bridge across the Tennessee River | ||||
| 6.4– 6.8 | 10.3– 10.9 | — | Manufacturers Road / Cherokee Boulevard (SR 8) | |||
| Red Bank | 7.4– 7.7 | 11.9– 12.4 | — | Dayton Boulevard (SR 8 north) - Red Bank | Northbound exit and southbound entrance | |
| 8.0– 8.5 | 12.9– 13.7 | — |   US 127 north (SR 8 / SR 27) – Signal Mountain | national southern terminus of US 127; northern end of SR 27 concurrency | ||
| 10.9– 11.8 | 17.5– 19.0 | — |  Morrison Springs Road – Erlanger North Hospital | |||
| Chattanooga | 13.5– 14.2 | 21.7– 22.9 | — | Mountain Creek Road | ||
| Soddy-Daisy | 16.9– 17.4 | 27.2– 28.0 | — |  SR 153 (Dayton Boulevard) – Chattanooga | Northern terminus of SR 153; access to Chattanooga Metropolitan Airport | |
| 19.2– 19.5 | 30.9– 31.4 | — | Thrasher Pike | |||
| 21.2– 21.7 | 34.1– 34.9 | — | Harrison Lane | |||
| 22.9– 23.2 | 36.9– 37.3 | — | Sequoyah Road | |||
| 25.0– 25.6 | 40.2– 41.2 | — |  SR 319 south (Tsati Terrace) | Northern terminus of SR 319 | ||
| 26.8– 27.2 | 43.1– 43.8 |  SR 111 north – Dunlap | Northern end of freeway; southern terminus of SR 111 | |||
| Rhea | Graysville | 37.5 | 60.4 |  SR 303 north (Dayton Avenue) – Downtown | Southern terminus of SR 303 | |
| Dayton | 41.7 | 67.1 |   SR 60 south (Hiwassee Highway) / SR 378 north (Market Street) – Cleveland, Downtown | Northern terminus of SR 60; southern terminus of SR 378 | ||
| 43.0 | 69.2 |  SR 30 (3rd Avenue/Old Washington Highway) – Pikeville, Downtown, Decatur | ||||
| 43.6– 43.7 | 70.2– 70.3 | SR 378 south (Market Street) – Downtown | Interchange; no direct southbound entrance from SR 378 north; northern terminus of SR 378 | |||
| | 56.6 | 91.1 |  SR 68 south (Watts Bar Highway) – Sweetwater | Southern end of SR 68 overlap | ||
| Spring City | 59.1 | 95.1 | SR 68 north (Wassom Memorial Highway) – Crossville | Northern end of SR 68 overlap; interchange | ||
| 59.4 | 95.6 |  SR 302 south (New Lake Road) | Northern terminus of SR 302 | |||
| Roane | | 73.3 | 118.0 |  US 70 west (SR 1) – Westel, Ozone, Crab Orchard, Crossville | Southern end of US 70/SR 1 overlap | |
| Rockwood | 76.1 | 122.5 |   US 70 east (Roane State Highway/SR 1/SR 29) / SR 61 east – Kingston | Northern end of US 70/SR 1/SR 29 overlap; western terminus of SR 61; southern end of SR 61 overlap | ||
| Cardiff | 79.5 | 127.9 |  SR 382 south (Patton Lane) | Northern terminus of SR 382; provides access to Roane State Community College | ||
| Harriman | 81.5– 81.8 | 131.2– 131.6 |  I-40 – Nashville, Knoxville | I-40 exit 347 | ||
| 83.1 | 133.7 |  SR 29 south (Ruritain Road) – Midtown | Southern end of SR 29 overlap | |||
| 84.8 | 136.5 |  SR 328 north (Georgia Street) – Oakdale | Southern terminus of SR 328 | |||
| | 88.3– 88.6 | 142.1– 142.6 | SR 61 east (Harriman Highway) – Oliver Springs | Interchange; northern end of SR 61 overlap | ||
| Morgan | | 93.3 | 150.2 | SR 328 south (Old Harriman Highway) – Oakdale | Northern terminus of SR 328 | |
| Wartburg | 101.0 | 162.5 |  SR 62 east (Knoxville Highway) – Coalfield, Oliver Springs | Southern end of SR 62 overlap | ||
| | 104.3 | 167.9 | SR 62 west (Nashville Highway) – Lancing | Northern end of SR 62 overlap | ||
| Sunbright | 112.9 | 181.7 |  SR 329 west (Deer Lodge Highway) – Deer Lodge | Eastern terminus of SR 329 | ||
| Scott | Elgin | 121.8 | 196.0 |  SR 52 west (Rugby Highway) – Rugby | Eastern terminus of SR 52 | |
| Huntsville | 129.7 | 208.7 |    SR 63 east / SR 297 east (Howard Baker Highway) to I-75 – Pioneer, Caryville | Southern end of SR 297 overlap; western terminus of SR 63 | ||
| Oneida | 136.3 | 219.4 | SR 297 west (Industrial Lane) | Northern end of SR 297 overlap; provides access to Big South Fork National River and Recreation Area | ||
| 136.4 | 219.5 |  SR 456 east (Depot Street) | Western terminus of SR 456 | |||
| Kentucky state line | 145.2 | 233.7 | US 27 north – Whitley City | Continuation into Kentucky; northern end of SR 29 overlap | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
| ||||||
State Route 29
edit  State Route 29 | |
|---|---|
| Location | Chattanooga–Oneida |
| Length | 141.95 mi (228.45 km) |
| Existed | October 1, 1923[15]–present |
State Route 29 (SR 29) runs as a hidden designation throughout US 27's routing from the Georgia state line in Chattanooga to the Kentucky state line north of Oneida, though it does separate in Rockwood at an intersection with US 70/SR 1, becoming concurrent with it until Midtown. There, it becomes signed as a standalone secondary highway (Pine Ridge Road) and has an interchange with I-40 before entering the South Harriman neighborhood of Harriman (as Ruritan Road), then becoming hidden again at an intersection with US 27/SR 61 south of downtown. Excluding this signed portion, the rest of SR 29 is a primary highway. In downtown Oneida, SR 29 has received a signed designation.
Major intersections
editThe entire route is in Roane County.
| Location | mi | km | Destinations | Notes | |
|---|---|---|---|---|---|
| Rockwood | US 27 north / US 70 / SR 61 east (Gateway Boulevard/SR 1) – Downtown, Harriman | Northern end US 27 concurrency; western terminus of SR 61; SR 61 takes over concurrency with US 27 though it is signed | |||
| | SR 382 north (Patton Lane) | Southern terminus of SR 382; provides access to Roane State Community College | |||
| Midtown | Ruritain Road (Old SR 29) | ||||
| US 70 east (Roane State Highway/SR 1 east) – Kingston | Northern end of US 70/SR 1 concurrency; begin signed portion of SR 29; SR 29 becomes secondary | ||||
| I-40 – Nashville, Knoxville | I-40 exit 350 | ||||
| Harriman | Ruritain Road (Old SR 29) | ||||
| US 27 south / SR 61 west (S Roane Street) – Rockwood | Southern end of US 27/SR 61 concurrency; end signed portion of SR 29; SR 29 becomes primary | ||||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
edit- ^ a b c Tennessee Department of Highways (1976). SR-29 Construction from SR-27 Spur to SR-153, Appalachian Corridor J, Hamilton County: Environmental Impact Statement (Report). Federal Highway Administration. Retrieved January 5, 2018 – via Google Books.
- ^ "Dayton Blvd" (Map). Google Maps. Retrieved January 16, 2018.
- ^ "Why did they name it the 'Ol' Johnny Bridge?". David Carroll's Chattanooga Radio and TV. Retrieved October 6, 2015.
- ^ Tennessee Department of Transportation (July 11, 2017). Tennessee Highway Bridge Report. Nashville: Tennessee Department of Transportation.
- ^ a b c Jolley, Harmon (July 9, 2004). "Where Do Our Interstate Highways Terminate?". The Chattanoogan. Retrieved January 16, 2018.
- ^ a b Carroll, Beverly (December 5, 2011). "Preparations for $11 million widening of Olgiati Bridge on track". The Chattanoogan. Retrieved January 4, 2016.
- ^ a b "Downtown Chattanooga Road Construction Project Tops $126 Million; Work Set To Start Soon". The Chattanoogan. November 15, 2015. Retrieved January 5, 2016.
- ^ Smith, Ellis (March 15, 2012). "Tennessee unveils US 27 highway plan". Chattanooga Times Free Press. Retrieved January 5, 2016.
- ^ McCarthy, Kelly (January 5, 2015). "Highway 27 construction project's countdown to completion". Chattanooga: WRCB-TV. Retrieved January 5, 2016.
- ^ Anderson, Kendi (January 5, 2015). "Three-year project to rebuild US 27 led to some rough patches". Chattanooga Times Free Press.
- ^ Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
- ^ Cobb, David (November 15, 2015). "US 27 rebuild from Olgiati to I-24 about to begin". Chattanooga Times Free Press. Retrieved January 5, 2016.
- ^ McCarthy, Kelly (November 17, 2015). "Construction on US 27 starts next month, no detour for drivers". Chattanooga: WRCB-TV. Retrieved January 5, 2015.
- ^ Thomas, Kiley (October 26, 2018). "U.S. 27 construction in downtown Chattanooga delayed". Chattanooga, Tennessee: WTVC-TV. Retrieved December 8, 2019.
- ^ 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.
External links
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Media related to U.S. Route 27 in Tennessee at Wikimedia Commons
