Interstate 24

"I-24" redirects here. For the Type C1 submarine of the Japanese Imperial Navy, see Japanese submarine I-24.

Interstate 24 marker

Interstate 24
Route information
Length: 316.36 mi[1] (509.13 km)
Major junctions
West end: I-57 in Pulleys Mill, IL
 
East end: I-75 in Chattanooga, TN
Location
States:
Highway system
I22I25

Interstate 24 (I-24) is an Interstate Highway in the Midwestern and Southeastern United States. It runs diagonally from I-57 10 miles (16 km) south of Marion, Illinois, to Chattanooga, Tennessee, at I-75.[2] As an even-numbered Interstate, it is signed as an east–west route, though the route follows a more southeast–northwest routing. Because the routing of I-24 is diagonal, the numbering is a bit unusual as it does not completely follow the Interstate Highway System numbering conventions.

I-24 makes up the majority of a high-traffic corridor between St. Louis, Missouri, and Atlanta. This corridor utilizes I-64 and I-57 northwest of I-24, and I-75 southeast of I-24.

Route description

Lengths
  mi[1]km
Illinois 38.73 62.33
Kentucky 93.37 150.26
Tennessee 180.16 289.94
Georgia 4.10 6.60
Total 316.36 509.13

Illinois

I-24 begins at exit 44A on I-57 in southern Williamson County, near the community of Pulleys Mill.[3] The highway heads southeast into rural Johnson County, bypassing Goreville to the east. It reaches an exit at Tunnel Hill Road, which serves Goreville and Tunnel Hill. The highway continues south to its next exit at U.S. Route 45 (US 45) north of Vienna. It reaches its next exit at Illinois Route 146 (IL 146) in eastern Vienna. I-24 heads southeast from Vienna into Massac County.[4] Its first exit in Massac County is at Big Bay Road, which serves the communities of Big Bay and New Columbia. I-24 continues southward, bypassing the community of Round Knob before entering Metropolis. The highway meets US 45 again in Metropolis and passes west of Fort Massac State Park. It leaves Metropolis to the south by crossing the Interstate 24 Bridge over the Ohio River, continuing into Kentucky.[5]

Kentucky

I-24 Bridge connects Illinois with Kentucky across the Ohio River

I-24 crosses into Kentucky on a bridge over the Ohio River, passing to the west of the city of Paducah and intersecting US 60, US 45, and US 62. The freeway then passes near the communities of Woodlawn-Oakdale and Reidland, and connects with US 68. East of this point, I-24 runs concurrently with I-69, intersecting US 62 and crossing the Tennessee River and the Cumberland River. The roadway travels along the north shore of the Cumberland River as I-69 splits off to the east just north of Mineral Mound State Park. I-24 continues east, away from the river, through farmland for several miles, passing well south of Hopkinsville. Near the Tennessee border, I-24 passes north of Fort Campbell before crossing into Tennessee.[6]

I-69 runs |concurrently with I-24 for 17 miles (27 km) from the Purchase Parkway in Calvert City to the Western Kentucky Parkway near Eddyville. Additionally, the planned I-66 routing is proposed to run concurrently with I-24 in the Eddyville-to-Paducah corridor.

Tennessee

I-65 junction with I-24 in Nashville.

One of the more hazardous stretches of Interstate highway in the United States is located approximately 40 miles (64 km) west of Chattanooga on I-24 in Monteagle, where the highway crosses the Cumberland Plateau. Compared to grades elsewhere, Monteagle's 4–6% grade does not come close to the steepest (I-40 between Nashville and Knoxville features 5% grades in each direction as well as a 5% grade north of Nashville on I-24, near Joelton), but the slope is protracted over a distance of several miles. While all motorists need to exercise caution, truckers are particularly vexed by Monteagle, and many have died going through this area. As runaway trucks had been a regular and deadly occurrence, in part of the failure or inability of truckers to slow down to the 35 miles per hour (55 km/h) truck speed limit once on the slope, the eastbound lanes were rebuilt in the late 1980s. This work reduced the grade, widened the road, added a required stopping area with traffic lights for trucks prior to descending the mountain, and added two runaway truck ramps where a truck whose brakes have failed due to overheating can exit into a long pit full of loose gravel to safely stop. Owing to geography, these two ramps are on the left side of the grade. This stretch of highway inspired Johnny Cash to write a song about Monteagle Mountain. It is also mentioned in "The Legend", the introductory song for Smokey and the Bandit, which touts the protagonist's driving skill in having reportedly navigated his truck down the Monteagle Grade during a heavy rainstorm, despite an airbrake failure.

The Monteagle grade also has one of the three widest medians of any Interstate highway, with the others being I-8 through the In-Ko-Pah grade in California and I-84 through the Cabbage Hill grade east of Pendleton, Oregon. There is more than a mile between the eastbound and westbound lanes at one point. The eastbound lanes descend the mountain on one side of a ridge, while the westbound lanes ascend the other. Also of interest on Monteagle Mountain is the steep grade on I-24 north of Monteagle. This steep grade occurs for westbound traffic and features a sharp 45 mph (70 km/h) curve to the right while descending steeply at the same time. This downhill curve also features off-ramp approach style lane dividers, in order to slow both motorists and truckers. Also in Chattanooga is the "Ridge Cut", a one-quarter-mile (400 m) section of Missionary Ridge, between the 4th Avenue exit and the Germantown/Belvoir exit. Accidents and severe congestion are common here. I-124 is an occasional (currently unsigned) designation of a portion of the US 27 freeway, which runs as a spur into downtown Chattanooga and beyond.[7]

Georgia

In the state of Georgia, I-24 runs for four miles (6.4 km), running along the southern flank of Raccoon Mountain and intersecting with I-59 before turning back north to the Tennessee River and around the northern flank of Lookout Mountain. The exits remain numbered according to Tennessee's mileposts. However, the mileposts are Georgia's mileposts. This segment is also officially State Route 409.

History

I-24 was part of the original Interstate Highway System plan enacted in 1956.[8] The section of I-24 in Illinois was authorized for engineering by 1966 and authorized for construction by 1968.[8][9] The highway opened to traffic by 1977.[10]

On May 18, 2010, it was announced that a sinkhole was found in the eastbound lanes of I-24 in Grundy County, Tennessee, near the exit of Tennessee State Route 50. Tennessee Department of Transportation officials stated that hole was growing with traffic diverted onto the westbound lanes.[11] However, emergency repairs commenced and was reopened several days later.[12]

Exit list

StateCountyLocationmi[13][14]kmExit[15]DestinationsNotes
IllinoisWilliamson0.000.000 I-57 Memphis, ChicagoWestbound exit and eastbound entrance; western terminus and signed as exits 44A (south) and 44B (north); uses I-57's exit numbers
Johnson7.2211.627Tunnel Hill, Goreville
13.6421.9514 US 45 Vienna, Harrisburg
Vienna16.0025.7516 IL 146 Vienna, Golconda
Massac26.5542.7327New Columbia, Big BayNo services
Metropolis37.1659.8037 US 45 Metropolis, Brookport
Ohio River38.73
0.000
62.33
0.000
Interstate 24 Bridge
KentuckyMcCrackenPaducah2.9584.7603 KY 305 Paducah
4.3286.9654 I-24 Bus. east / US 60 Paducah, Wickliffe Kentucky Oaks MallWestern terminus of I-24 Bus.
Lone Oak6.387–
6.865
10.279–
11.048
7 US 45 / US 62 Bardwell, Mayfield
Woodlawn-Oakdale11.03517.75911 KY 1954 (Husband Road) / I-24 Bus. west PaducahEastern terminus of I-24 Bus.
Reidland16.15325.99616 US 68 Paducah
MarshallCalvert City24.96140.17125 Purchase Parkway to US 62 Fulton, Calvert CityWestern end of I-69 overlap; signed as exits 25A (south) and 25B (north); temporary southern terminus of I-69
Calvert City26.56542.75227 US 62 Calvert City, Gilbertsville Kentucky Dam Kentucky Dam Village State Resort Park Land Between the Lakes National Recreation Area
LivingstonGrand Rivers30.72949.45431 KY 453 Smithland, Grand Rivers The Trace (Land Between the Lakes)Serves Land Between the Lakes National Recreation Area
LyonKuttawa39.55363.65440 KY 93 / US 62 / US 641 Eddyville, Kuttawa
41.64767.02442 I-69 north / Western Kentucky Parkway east Princeton, ElizabethtownEastern end of I-69 overlap; western terminus of Western Kentucky Parkway; I-69 exit 68
44.73271.98945 KY 293 to KY 93 Princeton Kentucky State Penitentiary
Caldwell55.63289.53156 KY 139 Princeton, Cadiz
Trigg65.313105.11165 US 68 / KY 80 Cadiz, HopkinsvilleServes Land Between the Lakes National Recreation Area
Christian72.692116.98673 KY 117 Newstead, Gracey
81.243130.74881 Pennyrile Parkway north HopkinsvilleSouthern terminus of Pennyrile Parkway, exit 1
85.608137.77386
US 41 Alt. Hopkinsville, Fort Campbell
Oak Grove88.761142.84789 KY 115 Oak Grove, Pembrokeserves the Jefferson Davis Monument State Historic Site
 93.373
0.0
150.269
0.0
Kentucky–Tennessee state line
TennesseeMontgomeryClarksville1.52.41 SR 48 Clarksville, Trenton
4.36.94 US 79 / SR 13 Clarksville, Guthrie
7.912.78 SR 237 (Rossview Road)
10.617.111 SR 76 Adams, Clarksville
RobertsonPleasant View19.230.919 SR 256 (Maxey Road) Adams
24.539.424 SR 49 Pleasant View, Coopertown, Springfield, Ashland City
Cheatham31.150.131 SR 249 (New Hope Road)
DavidsonNashville35.156.535 US 431 (SR-65) / Union Hill Road Springfield, Joelton
40.765.540 SR 45 (Old Hickory Boulevard)
43.670.243 SR 155 (Briley Parkway) OprylandSR 155 exits 18A-B, access to Nashville International Airport
45.072.444B I-65 north LouisvilleWestern end of I-65 overlap, exit 88
46.374.587 US 431 (Trinity Lane, SR-65)
47.376.146B I-65 south to I-40 west Memphis, HuntsvilleEastern end of I-65 overlap; south exit 86, north exit 86B
47Jefferson Street
47A US 41 (Ellington Parkway, SR-6) / US 431 / SR 11 to US 31E north / Spring Street
48James Robertson Parkway (US 31, US 41, US 431, SR-6, SR-11) State Capitol
49Korean Vets Boulevard / Shelby Avenue Nissan Stadium
50.381.050B I-40 west to I-65 south Memphis, HuntsvilleWest end of I-40 overlap, east exit 210B, west exit 211; formerly the point where I-24, I-40, and I-65 met
212Hermitage Avenue (US 70, SR-24)Westbound exit and eastbound entrance
212Fesslers LaneEastbound exit and westbound entrance
52B I-40 east KnoxvilleEastern end of I-40 overlap, exit 213A, access to Nashville International Airport
52 US 41 (Murfreesboro Road, US 70S, SR-1)
53.686.353 I-440 west Memphis
54 SR 155 (Briley Parkway)SR 155 exits 3A-B
56 SR 255 (Harding Place)Access to Nashville International Airport
57Haywood Lane AntiochSigned as exits 57A (west) and 57B (east) eastbound
59 SR 254 (Bell Road)
60Hickory Hollow Parkway
62 SR 171 (Old Hickory Boulevard)
RutherfordLa Vergne64Waldron Road La Vergne
Smyrna66 SR 266 east (Sam Ridley Parkway) SmyrnaSigned as exits 66A (west) and 66B (east) eastbound
70 SR 102 (Lee Victory Parkway, Almaville Road) Smyrna
Murfreesboro74 I-840 Franklin, Lebanon, KnoxvilleSigned as exits 74A (west) and 74B (east); I-840 west exit 53, east exits 53A-B
76Fortress Boulevard, Medical Center Parkway
78 SR 96 Franklin, MurfreesboroSigned as exits 78A (west) and 78B (east)
80 SR 99 Murfreesboro
81 US 231 (SR-10) Shelbyville, MurfreesboroSigned as exits 81A (south) and 81B (north) eastbound
84AJoe B. Jackson ParkwaySigned as exits 84A (south) and 84B (north) eastbound
89Buchanan Road, Epps Mill Road
Bedford
No major junctions
Coffee97 SR 64 (Beechgrove Road) Shelbyville
105 US 41 (SR-2) Manchester
Manchester110 SR 53 Manchester, Woodbury
111 SR 55 Manchester, McMinnville
114 US 41 (SR-2) Manchester, Hillsboro
Arnold Air Force Base117Arnold Air Force Base Tullahoma
GrundyPelham127 US 64 west / SR 50 Pelham, WinchesterWest end of US 64 overlap
MarionMonteagle134 US 41A (SR-15) Monteagle, Sewanee
135 To US 41 north (SR-2 west) Monteagle, Tracy CityWest end of SR-2 overlap
143Martin Springs Road (SR-2 east)Eastern end of SR-2 overlap
Kimball152 US 64 east / US 72 (SR-27 west) to US 41 Kimball, South PittsburgEastern end of US 64 overlap; western end of SR-27 overlap
Jasper155 SR 28 Jasper, Dunlap
158 SR 27 east Nickajack Dam, Powells CrossroadsEastern end of SR-27 overlap
Interstate 24 Bridge over the Nickajack Lake
Haletown161 SR 156 Haletown, New Hope
Hamilton
No major junctions
 0.00
0.00
0.00
0.00
Tennessee–Georgia state line
GeorgiaDade167 I59 south (SR-406) BirminghamLeft exit westbound
169 SR 299 to US 11 Wildwood
 4.13
0.00
6.65
0.00
Georgia–Tennessee state line
TennesseeHamiltonChattanooga174 US 41 / US 64 (US 72, SR-2) to US 11 Lookout Valley, Lookout Mountain
175Browns Ferry Road Lookout Mountain
178 US 27 north (I-124 north) Downtown ChattanoogaWestern end of US 27 overlap
178 US 11 / US 41 / US 64 (Broad Street, US 72, SR-2) Lookout MountainEastbound exit and westbound entrance
178 SR 58 (Market Street) to US 41 Lookout MountainWestbound exit and eastbound entrance
180 US 27 south (Rossville Boulevard, SR-27 north) to SR 8 north / Central AvenueEastern end of US 27 overlap; signed as exits 180A (north) and 180B (south)
1814th Avenue
181A US 41 south (US 76 east, SR-8 south) East RidgeEastbound exit and westbound entrance
Missionary Ridge crossing
East Ridge183Germantown Road, Belvoir Avenue
184Moore Road
Chattanooga185 I-75 / US 74 east Atlanta, KnoxvilleEastbound exit and westbound entrance; eastern terminus and signed as exits 185A (south) and 185B (north); I-75 exit 2
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Auxiliary route

Paducah business loop

Interstate 24 Business
Location: Paducah, Kentucky
Length: 11.2 mi[16] (18.0 km)

Interstate 24 Business (BL 24) is a 11-mile (18 km) business loop of I-24 that runs through downtown Paducah, Kentucky that begins at I-24 and US 60 at exit 4 and ends at I-24 and Kentucky Route 1954 (KY 1954) at exit 11. The route follows US 60, US 60 Bus., and KY 1954.

The entire route is in McCracken County.

Locationmi[16]kmDestinationsNotes
Paducah0.00.0 I-24 St. Louis, NashvilleWestern terminus; western end of US 60 overlap
2.43.9 US 60 eastEastern end of US 60 overlap; western end of US 60 Bus. overlap
2.64.2 US 45 (H.C. Mathis Drive)
8.213.2 US 60 / US 62Eastern end of US 60 Bus. overlap; western end of KY 1954 overlap
11.017.7 I-24 Nashville, St. LouisEastern terminus; eastern end of KY 1954 overlap
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. 1 2 Adderly, Kevin (January 27, 2016). "Table 1: Main Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways as of December 31, 2015". Route Log and Finder List. Federal Highway Administration. Retrieved September 18, 2016.
  2. Google (February 15, 2008). "Overview Map of Interstate 24" (Map). Google Maps. Google. Retrieved February 15, 2008.
  3. Illinois Department of Transportation (2010). Williamson County General Highway Map (PDF) (Map). Springfield: Illinois Department of Transportation. Retrieved January 9, 2011.
  4. Illinois Department of Transportation (1994). Johnson County General Highway Map (PDF) (Map). Springfield: Illinois Department of Transportation. Retrieved January 9, 2011.
  5. Illinois Department of Transportation (2001). Massac County General Highway Map (PDF) (Map). Springfield: Illinois Department of Transportation. Retrieved January 9, 2011.
  6. Google (December 22, 2013). "Interstate 24 in Kentucky" (Map). Google Maps. Google. Retrieved December 22, 2013.
  7. Tennessee Department of Transportation (May 1, 2007). "Fiscal Years 2008–2010 Transportation Improvement Program". Tennessee Department of Transportation.
  8. 1 2 Office of Secretary of State (1967). Illinois Blue Book, 1967–1968. State of Illinois. p. 746. Retrieved January 9, 2011 via Illinois Digital Archives.
  9. Office of Secretary of State (1965). Illinois Blue Book, 1965–1966. State of Illinois. p. 720. Retrieved January 9, 2011 via Illinois Digital Archives.
  10. Illinois Automobile Department (1977). Illinois Highway Map (Map). 1:762,500. Springfield: Illinois State Library. Retrieved January 9, 2011 via Illinois Digital Archives.
  11. "Sinkhole Forces I-24 Closure in Grundy County". Nashville, TN: WTVF-TV. May 18, 2010. Retrieved May 18, 2010.
  12. "Sinkhole Repaired, I-24 Reopens". Chattanooga Times Free Press. May 22, 2010. Retrieved June 26, 2010.
  13. Illinois Technology Transfer Center (2013). "T2 GIS Data". Illinois Department of Transportation. Retrieved September 2, 2015.
  14. Kentucky Transportation Cabinet. "Official DMI Route Log". Kentucky Transportation Cabinet. Retrieved October 23, 2013.
  15. Long Range Planning Division-Mapping Section (2013). Official Transportation Map (Map). c. 1:633,600. Tennessee Department of Transportation. Retrieved December 21, 2013.
  16. 1 2 Google (July 4, 2014). "Business Loop 24" (Map). Google Maps. Google. Retrieved July 4, 2014.

Route map: Bing / Google

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Wikimedia Commons has media related to Interstate 24.
Browse numbered routes
IL 23IllinoisUS 24
US 23KentuckyUS 25
US 23 Tennessee US 25
US 23GeorgiaUS 25
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