Illinois Route 170
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Illinois Route 170 is a north–south state road in north-central Illinois. It runs from Illinois Route 23 well north of Pontiac to U.S. Route 6 in Seneca. This is a distance of 25.00 miles.
A view of Illinois Route 170 in Seneca, Illinois looking north
Illinois Route 17
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Illinois Route 17 is a rural, arterial east–west state highway that runs east from a former ferry crossing in New Boston along the banks of the Mississippi River to State Road 2 west of Lowell, Indian
Illinois Route 170
…Red Bud to Sparta; this became Illinois Route 154 in 1937. In 1946, it replaced Illinois Route 186 (previously Illinois Route 70A) from Seneca south to Illinois Route 17 near Budd. In 1995 Illinois 170 was extended further south to Illinois 23…
IL 1 and IL 17 at their concurrency in Grant Park
IL 17 at junction with IL 47 in Dwight