Iowa Highway 191 has lengthened and shortened a few times in its history.
Iowa Highway 7 has its terminus at the northwest edge of the city.
It was extended south to Iowa Highway 5 in the early 1980s, appearing on the state map by 1983.
Iowa Highway 76 parallels the stream until crossing the river.
Iowa Highway 136 runs from north to south through Cascade.
Iowa Highway 175 is a main east-west route in the northern portion of the state.
Iowa Highway 105 was an original state highway designated in 1920.
Iowa Highway 12 was designated as a state highway in 1920.
The exit also serves as the eastern end of Iowa Highway 3.
Later, the southern end was moved to its present location at Iowa Highway 5.