Illinois Route 143
Encyclopedia
Illinois Route 143 is an east–west state highway in southwestern Illinois
. Its western terminus is at U.S. Route 67
(very near, but not at the termini of Illinois Route 100
and Illinois Route 140
) in Alton
. Its eastern terminus at Illinois Route 127
at a rural intersection west of Tamalco
. This is a distance of 47.96 miles (77.18 km).
and Illinois Route 159
in Edwardsville
, and Illinois Route 160
and U.S. Route 40
in Highland
. It has 4 lanes from IL 140 to just east of Illinois Route 255
around Southern Illinois University in Edwardsville, and briefly around Interstate 55
east of Edwardsville. The rest of the road is generally rural and has 2 lanes.
to Harrisburg
; this was replaced by Illinois Route 34
when it was extended north in 1937. That same year, Illinois 143 was applied to a former lettered route, Illinois Route 127A from Highland to Illinois 127. In 1950, it was extended west to Edwardsville. In 1964, it was extended west again to Alton, replacing Illinois Route 159
. There have been no changes since.
In 1987, the alignments of Illinois Route 3
, Illinois Route 100
, and Illinois Route 143
were switched to their current routes in the Alton area with the opening of the extension of the Homer M. Adams Parkway and the construction of Madison Avenue in Wood River. IL 143 was put on the new Madison Avenue alignment and routed on the Berm Highway, while IL 3 was put back on an older alignment through East Alton and the Homer Adams Parkway (later taking over the old IL 100 alignment north of Godfrey to Grafton), and IL 100 was put on then-unmarked River Road from Alton to Grafton. The old alignment of IL 143 (Alton-Edwardsville Road) became unmarked.
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...
. Its western terminus is at U.S. Route 67
U.S. Route 67
U.S. Route 67 is a 1,560 mile long north–south U.S. highway in the Central United States. The southern terminus of the route is at the United States-Mexico border in Presidio, Texas, where it continues south as Mexican Federal Highway 16 upon crossing the Rio Grande. The northern...
(very near, but not at the termini of Illinois Route 100
Illinois Route 100
Illinois Route 100 is a 157 mile highway in the southwest Illinois. It generally parallels the Illinois River. Starting in downtown Alton, it trends northward to Buckheart Township near Canton. It makes up much of the Illinois River Road, a U.S. National Scenic Byway...
and Illinois Route 140
Illinois Route 140
Illinois Route 140 is an east–west highway with its western terminus at Alton and its eastern terminus at Illinois Route 185 and U.S. Route 40 in Vandalia. It also overlaps Illinois Route 111 in Alton and Illinois Route 127 in Greenville...
) in Alton
Alton, Illinois
Alton is a city on the Mississippi River in Madison County, Illinois, United States, about north of St. Louis, Missouri. The population was 27,865 at the 2010 census. It is a part of the Metro-East region of the Greater St. Louis metropolitan area in Southern Illinois...
. Its eastern terminus at Illinois Route 127
Illinois Route 127
Illinois Route 127 is a north–south highway in central and southern Illinois. Its southern terminus is at Illinois Route 3 near Olive Branch and its northern terminus at Interstate 55, along with the southern terminus of Illinois Route 48 in Raymond. This is a distance of .- Route description...
at a rural intersection west of Tamalco
Tamalco, Illinois
Tamalco is an unincorporated community in Bond County, Illinois, United States. Tamalco is located along a railroad line northwest of Keyesport....
. This is a distance of 47.96 miles (77.18 km).
Route description
Illinois 143 overlaps Illinois Route 157Illinois Route 157
Illinois Route 157 is a north–south highway in southwestern Illinois. Its southern terminus is at Illinois Route 3 at Cahokia, Illinois and its northern terminus at Illinois Route 140 in Hamel. This is a distance of .- Route description :...
and Illinois Route 159
Illinois Route 159
Illinois Route 159 is a north–south state road in southwestern Illinois. Its southern terminus is at Illinois Route 3 and Illinois Route 154 in Red Bud and its northern terminus at Illinois Route 16 in Royal Lakes. This is a distance of ....
in Edwardsville
Edwardsville, Illinois
Edwardsville is a city in Madison County, Illinois, United States. As of the 2010 census, the city population was 24,293. It is the county seat of Madison County and is the third oldest city in the State of Illinois. The city was named in honor of Ninian Edwards, then Governor of the Illinois...
, and Illinois Route 160
Illinois Route 160
Illinois Route 160 is a north–south highway in southwestern Illinois. Its southern terminus is at Illinois Route 15 south of Addieville, and its northern terminus is at Illinois Route 140 east of Alhambra. This is a distance of .- Route description :...
and U.S. Route 40
U.S. Route 40
U.S. Route 40 is an east–west United States highway. As with most routes whose numbers end in a zero, U.S. 40 once traversed the entire United States. It is one of the original 1920s U.S. Highways, and its first termini were San Francisco, California, and Atlantic City, New Jersey...
in Highland
Highland, Illinois
Highland is a city in Madison County, Illinois, United States. The population was 9,433 at the 2010 census. Highland began as a Swiss settlement and derived its name from later German immigrants.Highland is a sister city of Sursee in Switzerland....
. It has 4 lanes from IL 140 to just east of Illinois Route 255
Illinois Route 255
Illinois Route 255, also referred to as the Alton Bypass , is a northwesterly extension of Interstate 255 in southwestern Illinois...
around Southern Illinois University in Edwardsville, and briefly around Interstate 55
Interstate 55
Interstate 55 is an Interstate Highway in the central United States. Its odd number indicates that it is a north–south Interstate Highway. I-55 goes from LaPlace, Louisiana at Interstate 10 to Chicago at U.S. Route 41 , at McCormick Place. A common nickname for the highway is "double...
east of Edwardsville. The rest of the road is generally rural and has 2 lanes.
History
SBI Route 143 ran from BentonBenton, Illinois
Benton is a city in Franklin County, Illinois, United States. The population was 7,087 at the 2010 census. It is the county seat of Franklin County. The city is part of the Metro Lakeland area.- History :...
to Harrisburg
Harrisburg, Illinois
Harrisburg is a city and township in Saline County, Illinois, United States. It is located about southwest of Evansville, Indiana, southeast of St. Louis, Missouri. The 2010 population was 9,017, with a township population of 10,790. It is the county seat of Saline County...
; this was replaced by Illinois Route 34
Illinois Route 34
Illinois Route 34 is a north–south state road in southern Illinois. It runs from a former ferry crossing to Kentucky Route 297 across the Ohio River in Rosiclare to Illinois Routes 14/37 in Benton. This is a distance of .- Route description :...
when it was extended north in 1937. That same year, Illinois 143 was applied to a former lettered route, Illinois Route 127A from Highland to Illinois 127. In 1950, it was extended west to Edwardsville. In 1964, it was extended west again to Alton, replacing Illinois Route 159
Illinois Route 159
Illinois Route 159 is a north–south state road in southwestern Illinois. Its southern terminus is at Illinois Route 3 and Illinois Route 154 in Red Bud and its northern terminus at Illinois Route 16 in Royal Lakes. This is a distance of ....
. There have been no changes since.
In 1987, the alignments of Illinois Route 3
Illinois Route 3
Illinois Route 3 is a major north–south arterial state highway in southwestern Illinois. It has its southern terminus at Cairo Junction at the intersection of Interstate 57 and U.S. Route 51, and its northern terminus in Grafton at Illinois Route 100...
, Illinois Route 100
Illinois Route 100
Illinois Route 100 is a 157 mile highway in the southwest Illinois. It generally parallels the Illinois River. Starting in downtown Alton, it trends northward to Buckheart Township near Canton. It makes up much of the Illinois River Road, a U.S. National Scenic Byway...
, and Illinois Route 143
Illinois Route 143
Illinois Route 143 is an east–west state highway in southwestern Illinois. Its western terminus is at U.S. Route 67 in Alton. Its eastern terminus at Illinois Route 127 at a rural intersection west of Tamalco...
were switched to their current routes in the Alton area with the opening of the extension of the Homer M. Adams Parkway and the construction of Madison Avenue in Wood River. IL 143 was put on the new Madison Avenue alignment and routed on the Berm Highway, while IL 3 was put back on an older alignment through East Alton and the Homer Adams Parkway (later taking over the old IL 100 alignment north of Godfrey to Grafton), and IL 100 was put on then-unmarked River Road from Alton to Grafton. The old alignment of IL 143 (Alton-Edwardsville Road) became unmarked.