U.S. Route 40 in Illinois
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| U.S. Route 40 |
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| National Road | |||||||||
_map.png/99px-US_40_(IL)_map.png) |
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| Length: | 159.99 mi[1] (257.48 km) | ||||||||
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| Formed: | 1926 | ||||||||
| Direction: | East-west | ||||||||
| From: | Mississippi River at East St. Louis | ||||||||
| To: | Indiana state line in Illiana | ||||||||
| Major cities: | East St. Louis, Highland, Greenville, Vandalia, Effingham | ||||||||
| System: | U.S. Highway system | ||||||||
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In the U.S. state of Illinois, U.S. Route 40 runs from the Poplar Street Bridge in East St. Louis with Interstates 55, 64 and Interstate 70 east to Illiana with I-70 at the Indiana state line. Except where the route has been re-aligned with Interstate 70, it is an entirely undivided surface route. U.S. 40 in Illinois is 159.99 miles (257.48 km) long.[1]
Formerly a major highway, it has lost most of its non-local traffic to Interstate 70. Unlike the defunct US 66, which has largely become local highways, it remains numbered as a US route.
Some early bypasses of towns were built with the apparent intention of twinning them as a divided highway with access limited to intersections. I-70 uses none of those old bypasses that remain as sections of US 40.
Should Illinois ever de-commission US 40, the highway will be designated as Illinois 11.[citation needed]
The westernmost portion of the historic National Road lies on most of the U.S. 40 alignment in Illinois.
[edit] References
- ^ a b Illinois Technology Transfer Center (2006). T2 GIS Data. Retrieved on 2007-11-08.
 U.S. Route 40 |
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| Previous state: Missouri |
Illinois | Next state: Indiana |
