The Stillwater Central Railroad is a Watco railroad. This year Iowa Pacific, BNSF, and Stillwater Center bid on the line between Tulsa and Oklahoma City. The Stillwater Center, who have been leasing the line purchased the line on the condition that they try out a passenger rail service between Tulsa and OKC. Stillwater worked with Iowa Pacific in February to host the passenger test runs, so they were for this.
Sometime early next year, Iowa Pacific will start operating a passenger rail service between Sapulpa and Midwest City with an eventual operation between Tulsa and Oklahoma City.
Here is a video I took of the inaugural test run of the Eastern Flyer