Illinois Route 98 is an 8.36-mile (13.45 km) east–west state highway located entirely within Tazewell County in central Illinois. The route runs from Route 29 on the border of Pekin and North Pekin east to Interstate 155 (I-155) in Morton. The highway connects Pekin, North Pekin, Morton, and the community of Groveland; it passes through a variety of landscapes between the towns. Route 98 is maintained by the Illinois Department of Transportation.

Tazewell County is a county in the U.S. state of Illinois. According to the 2020 census, it had a population of 131,343. Its county seat and largest city is Pekin. It is pronounced with a short "a", to rhyme with "razz" rather than "raze."