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Indian Nation Turnpike now State Highway 375
Recently, the Oklahoma Transportation Commission approved an item to add state highway numbering to several Oklahoma turnpikes, including designating the Indian Nation Turnpike as SH-375 and the H.E. Bailey Turnpike Norman Spur as SH-4. As part of this action, the I-240 designation was added to 75 miles of highway in the Oklahoma City metro area, including all of the John Kilpatrick Turnpike and…