Wisconsin Highway 140


State Trunk Highway 140 is a state highway in the U.S. state of Wisconsin. It runs in north–south in south central Wisconsin from the Illinois border near Bergen and through Clinton to east of Emerald Grove. The highway was designated in 1923/1924 and paved in the early 1930s.

Route description

The entire route is located in Rock County and is maintained by the Wisconsin Department of Transportation. The highway is not part of the National Highway System; a system of highways important to the nation’s economy, defense, and mobility.
The highway begins at the Wisconsin–Illinois state line near Bergen as a continuation of Illinois Route 76, and runs north from it. It meets with brief pockets of forested parkland and runs through farmland, passing through intersections with WIS 67 and County Trunk Highway P. It then crosses a railroad before reaching the village of Clinton, where it intersects with CTH-X and CTH-J. The busiest part of the highway is within the village of Clinton, which has an Annual average daily traffic count of 5,600.
Just north of Clinton, it passes through a diamond interchange with Interstate 43 and then continues north, entering the town of Bradford just north of I-43 and passing through more farmland. The highway then passes by a small community and runs across Turtle Creek before swerving slightly to the east. The highway then runs north through more farmland and crosses a railroad which it follows northeast of Avalon, then running north from it before terminating at US Highway 14 /WIS 11 east of Emerald Grove. The least busy part of the highway is located between Avalon and US 14, which an AADT of 2,100.

History

The highway was designated by 1924. It was a gravel road along its entire route. In 1931, the southern two-thirds of the highway was paved and the rest of the highway was paved in 1932.

Major intersections