U.S. Route 101
U.S. Route 101, or U.S. Highway 101 (US 101) is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Road) where its route along the southern and central California coast approximates the old trail which linked the Spanish missions, pueblos, and presidios. It merges at some points with California State Route 1 (SR 1).
Illinois Route 101
Route 101 begins at a junction with Route 61 in Augusta, in Hancock County. The route leaves Augusta to the east and crosses into Schuyler County, entering Weinberg-King State Park across the county line. The highway continues east past the park until the community of Brooklyn, where it meets Route 99. After passing through Brooklyn, Route 101 heads eastward through Littleton before terminating at a junction with U.S. Route 67.