Complex sentence: The road is maintained by the Oklahoma Turnpike Authority (OTA), except for a brief free section shared with U.S. Route 64 (US-64)/US-169, which is maintained by the Oklahoma Department of Transportation (ODOT).
Split into simpler sentences: The road is maintained by the Oklahoma Turnpike Authority (OTA), except for a brief free section shared with U.S. Route 64 (US-64) and US-169. This free section is maintained by the Oklahoma Department of Transportation (ODOT).