Question: What roads is the dividing line for most of Kansas City metro area  south of the confluence of the river nicknamed the Kanza and the Missouri river?
Sentence (from "State Line Road"): It runs 12.5 miles (20 km) from Chester Avenue in the north, crossing U.S. Highway 56 a couple of miles from the northern end and continuing south to the intersection of 135th St. in Kansas, Missouri Route 150 in the South.
Relevant evidence: No