Illinois Route 133 is an east–west state highway in east-central Illinois. It runs from Illinois Route 32 in Lovington to U.S. Route 150 and Illinois Route 1 in Paris. Illinois Route 16 terminates with Illinois 133 at this point.^[3] This is a distance of 52.05 miles (83.77 km).^[1] Illinois 133 is the main state road through Illinois Amish Country.^[4]

Quick Facts Route information, Length ...

Illinois Route 133
IL 133 highlighted in red
Route information
Maintained by IDOT
Length	52.05 mi[1] (83.77 km)
Existed	1924 (completed 1942)[2]–present
Major junctions
West end	IL 32 in Lovington
Major intersections	US 45 in Arcola I-57 in Arcola
East end	US 150 / IL 1 / IL 16 in Paris
Location
Country	United States
State	Illinois
Counties	Moultrie, Douglas, Coles, Edgar
Highway system
Illinois State Highway System Interstate US State Tollways Scenic
← IL 132 → IL 134

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Illinois 133 is a two-lane undivided surface state highway for its entire length. It overlaps Illinois 16 when both roads terminate at U.S. 150/Illinois 1 in Paris. U.S. 150 runs north and east from this intersection, while Illinois 1 runs north and south. The Illinois 16/133 combination runs west.

SBI Route 133 was the same as Illinois 133 is today, though the eastern portion of the road from Redmon to Paris was not completed until 1942. In 1953 it was extended west to Decatur along Illinois 32; this was rescinded in 1972.^[2]