The northernmost thirteen miles of the tollway between US 27 .
The Turnpike mainline was open to traffic on May 1 , 1973 , at a cost of $22 million and a $0.40 toll to motorists .
The northernmost thirteen miles of the tollway between US 27 and the Turnpike mainline was open to traffic on May 1 , 1973 , at a cost of $22 million and a $0.40 toll to motorists .