Tag Archives: Columbia’s Highway 63 and Grindstone interchange

A $9-million plan to upgrade south Columbia’s heavily-congested Highway 63 and Grindstone interchange is moving a step closer. Columbia’s city council will first-read an agreement with state …

State transportation officials are proposing an $8 to $9-million upgrade at Columbia’s busy Highway 63 and Grindstone interchange. The state Department of Transportation (MoDOT) wants to expand …