Route
|
Portions or Limits of Said Routes
|
Maximum MPH
|
Minimum MPH
|
---|---|---|---|
141
|
East of I-55
|
40
|
—
|
141
|
West of I-55
|
60
|
—
|
I-55
|
All
|
60
|
40
|
Route 231
|
All
|
45
|
—
|
U.S. 61-67
|
All
|
40
|
—
|