U.S. Route 40 in Illinois

U.S. Route 40 (US 40) runs east–west across south central Illinois for 159.8 miles (257.2 km). US 40 enters the state from Missouri across the Poplar Street Bridge over the Mississippi River at East St. Louis concurrent with Interstate 55 (I-55) and I-64 and exits just south of State Line, Indiana, running concurrently with I-70. For the majority of its route through Illinois, US 40 follows the National Road, including the route's initial western terminus at Vandalia.

U.S. Route 40
National Road
Route information
Maintained by IDOT
Length159.8 mi[1][2] (257.2 km)
Existed1926 (1926)–present
Tourist
routes
Historic National Road
Major junctions
West end I-55 / I-64 / US 40 in East St. Louis
 
East end I-70 / US 40 near State Line, IN
Location
CountiesSt. Clair, Madison, Bond, Fayette, Effingham, Cumberland, Clark
Highway system
IL 39 US 41

For nearly its entire route, US 40 is two-lane and rural, with the exception of portions in and around major towns and cities. For its entire length, US 40 closely aligns with I-70. Not only does the route intersect with the Interstate six times, but also has three concurrencies with the highway; both highways exit into Indiana on the same road.

Route description

East St. Louis to Highland

Starting from the Poplar Street Bridge, US 40, as well as I-55 and I-64, enters East St. Louis. Just east of the bridge, the three routes run concurrently with IL 3 as well as the Great River Road. After a series of interchanges, both I-64 and IL 3 branches off while I-70 joins the I-55/US 40 concurrencies. From then on, they meet IL 203 at a cloverstack interchange, IL 111 at a diamond interchange, Black Lane at an incomplete interchange, I-255 at another cloverstack interchange, IL 157 at a parclo interchange, and IL 159 at a cloverleaf interchange. At a trumpet interchange 17 miles (27 km) from the Missouri state line, US 40 branches off from I-55 and I-70. From then on, it meets IL 162 and then IL 4 at a one-quadrant interchange.[1]

Highland to Vandalia

Starting at Highland, US 40 runs concurrently with IL 143. Then, at the roundabout, IL 160 joins the concurrency. IL 160 soon leaves the concurrency around a mile east of the roundabout. IL 143 then also leaves US 40. US 40 then joins I-70 again from exit 30 to the next exit, exit 36. After US 40 leaves I-70, it parallels I-70 for most of the length through Illinois. At a parclo interchange on exit 41 for I-70, US 40 turns south and then east from the northern part of the interchange. It then meets IL 127 at Greenville, IL 140 east of Mulberry Grove, and I-70 at another diamond interchange (exit 61).[1]

Vandalia to Indiana state line

In Vandalia, IL 185 joins US 40 eastward. Then, the two routes run concurrently with US 51 all the way to downtown. US 51 then leaves the concurrency of two routes. Then, IL 185 also leaves from US 40 just west of another diamond interchange of I-70 (exit 68). IL 128 joins US 40 up to Altamont where IL 128 branches south to I-70. As US 40 reaches Effingham, it briefly bends north until it reaches the intersection of US 40/IL 32/IL 33. At that point, only IL 33 carries on eastward with US 40.[1] At downtown Effingham, US 45 briefly joins from the south and then leaves northward. Soon, IL 33 branches off eastward. From then on, US 40 intersects IL 130, IL 49, and IL 1. US 40 then joins I-70 at another diamond interchange for the third time as the two are about to enter Indiana.[2]

History

Up until 1935, Illinois Route 11 (IL 11) roughly followed the old alignment of US 40 from St. Louis to near Terre Haute, Indiana.[3] After 1935, IL 11 was decommissioned.[4] But in the mid-1940s, IL 11 was reused after US 40 was realigned south of downtown Greenville and Mulberry Grove, Illinois.[5] In 1947, IL 11 was extended to Vandalia via US 40's old alignment after US 40 bypassed Hagarstown.[6] It followed a part of the original alignment of US 40 between IL 127 in Greenville and US 51 in Vandalia.[6] By 1948, IL 11 was partially replaced by US 40 Alternate; later acquired by IL 140 in 1967.[7][8]

Major intersections

CountyLocationmi[1][2]kmExitDestinationsNotes
Mississippi River0.00.0 I-55 south / I-64 west / US 40 west to I-44 St. Louis, Tulsa, Memphis, Kansas CityContinuation into Missouri
0.0–
0.3
0.0–
0.48
Poplar Street Bridge
St. ClairEast St. Louis0.60.971 IL 3 south (Mississippi Avenue) / Great River Road south CahokiaWestern end of IL 3/GRR concurrency
0.91.413th Street/Tudor AvenueEntrance ramp from Piggott Avenue; no exit number
1.32.1 IL 15 east (Barack Obama Avenue) Business DistrictEastbound exit and westbound entrance; to Broadway Avenue
1.82.92AThird Street – Eads BridgeWestbound exit and eastbound entrance
1.93.12B-CMartin Luther King BridgeDowntown St. LouisWestbound exit and eastbound entrance; left exit is signed as exit 2B and right exit as 2C
2.74.33A I-64 east / IL 3 north to St. Clair Avenue LouisvilleEastern end of I-64/IL 3 concurrency; signed as exit 3 eastbound
2.94.73B I-70 west Kansas CityWestern end of I-70 concurrency; westbound exit and eastbound entrance
3.04.83CExchange AvenueWestbound exit and eastbound entrance
MadisonFairmont City line4.06.44 IL 203 Fairmont City, Granite City, Collinsville RoadSigned as exits 4A (south) & 4B (north) westbound
MadisonFairmont City6.310.16 IL 111 / Great River Road north Wood River, Washington ParkEastern end of GRR concurrency
Collinsville8.814.29Black LaneEastbound exit and westbound entrance
9.915.910 I-255 to I-270 MemphisI-255 exit 25A/B
11.017.711 IL 157 (Bluff Road) Collinsville, Edwardsville
Maryville14.623.515 IL 159 Collinsville, MaryvilleSigned as exits 15A (south) & 15B (north)
Troy16.927.217 I-55 north / I-70 east Chicago, IndianapolisEast end of I-55 / I-70 overlap; I-55/70 exit 17
Jarvis Township20.933.6 IL 162 west Troy, Granite CityEastern terminus of IL 162; Granite City signed westbound only
St. Jacob Township23.237.3 IL 4 Lebanon, StauntonOne-quadrant interchange
Highland30.148.4 IL 143 west / Walnut Street Edwardsville, Business DistrictWest end of IL 143 overlap
30.649.2 IL 160 north / Poplar StreetWest end of IL 160 overlap
Saline Township31.150.1 IL 160 south (Sycamore Street) Trenton, HighlandEast end of IL 160 overlap; Trenton signed eastbound, Highland westbound
33.754.2 IL 143 east / Gary Street PierronEast end of IL 143 overlap
34.054.730 I-70 west / Steiner Road East St. LouisWest end of I-70 overlap; I-70 exit 30
BondOld Ripley Township39.4–
39.7
63.4–
63.9
36 I-70 east / Pokey Road EffinghamEast end of I-70 overlap; I-70 exit 36
Central Township45.372.9 I-70 / Millersburg Road Effingham, St. LouisDirect access to/from I-70 east via Millersburg Road; destinations signed westbound only; I-70 exit 41
Greenville49.078.9 IL 127 Greenville, Carlyle, Carlyle Lake
FayetteBear Grove Township57.292.1 IL 140 west Mulberry GroveEastern terminus of IL 140
Vandalia64.4–
64.6
103.6–
104.0
I-70 St. Louis, EffinghamI-70 exit 61
65.8105.9 IL 185 west (Hillsboro Road) / Sunset Drive Coffeen, Lake VandaliaWest end of IL 185 overlap
66.9107.7 US 51 north (North Kennedy Boulevard) to I-70 PanaWest end of US 51 overlap; Pana signed eastbound only
Vandalia Township68.5110.2 US 51 south / East 1555 Avenue SandovalEast end of US 51 overlap
Otego Township72.6116.8 IL 185 east St. PeterEast end of IL 185 overlap
73.0–
73.2
117.5–
117.8
I-70 Effingham, St. LouisI-70 exit 68
FayetteEffingham
county line
AvenaMound
township line
84.6136.2 IL 128 north / North First Street Cowden, Shelbyville, Lake ShelbyvilleWest end of IL 128 overlap; Lake Shelbyville signed eastbound only
EffinghamAltamont88.0141.6 IL 128 south (South Main Street) to I-70 / South Main Street Business DistrictEast end of IL 128 overlap
Effingham99.5160.1 IL 32 north / IL 33 west (South Henrietta Street) to I-57 / I-70 / West Fayette Avenue ShumwayWest end of IL 33 overlap; southern terminus of IL 32
100.2161.3 US 45 south (South Banker Street) / South Banker Street FloraWest end of US 45 overlap
100.4161.6 US 45 north (South Third Street) to I-57 / I-70 / South Third StreetEast end of US 45 overlap
100.6161.9 IL 33 east (South Willow Street) / South Willow Street NewtonEast end of IL 33 overlap
CumberlandGreenup123.2198.3 IL 130 (South Haughton Highway) Newton, Charleston
ClarkCasey133.1214.2 IL 49 to I-70 Willow Hill, Kansas
Marshall150.5242.2 IL 1 (North Michigan Avenue) Paris, Lawrenceville, Lincoln Trail State Park
Wabash Township157.8254.0154 I-70 west / West Illiana Drive EffinghamWest end of I-70 overlap; I-70 exit 154
159.8257.2 I-70 east / US 40 east Terre HauteContinuation into Indiana
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

  •  U.S. roads portal
  •  Illinois portal

References

  1. Google (November 3, 2020). "North America to US-40, Effingham, IL 62401" (Map). Google Maps. Google. Retrieved November 3, 2020.
  2. Google (November 4, 2020). "US-40, Effingham, IL 62401 to West Terre Haute, Indiana 47885" (Map). Google Maps. Google. Retrieved November 4, 2020.
  3. Illinois Secretary of State; Rand McNally (1934). Official Road Map Illinois (Map). [c. 1:950,000 and c. 1:1,110,000]. Springfield: Illinois Secretary of State. OCLC 183709045 via Illinois Digital Archives.
  4. Illinois Secretary of State; H.M. Gousha (1935). Official Road Map Illinois (Map). [c. 1:950,000 and c. 1:1,110,000]. Springfield: Illinois Secretary of State via Illinois Digital Archives.
  5. Illinois Secretary of State; Rand McNally (1945). Illinois Road Map (Map). c. 1:918,720. Springfield: Illinois Secretary of State via Illinois Digital Archives.
  6. Illinois Secretary of State; Rand McNally (1947). Illinois Road Map (Map). c. 1:918,720. Springfield: Illinois Secretary of State via Illinois Digital Archives.
  7. Illinois Secretary of State; Rand McNally (1948). Illinois Road Map (Map). c. 1:918,720. Springfield: Illinois Secretary of State via Illinois Digital Archives.
  8. Illinois Division of Highways; Rand McNally (1967). Illinois Official Highway Map (Map). [1:772,500]. Springfield: Illinois Division of Highways via Illinois Digital Archives.
U.S. Route 40
Previous state:
Missouri
Illinois Next state:
Indiana
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