This thread has changed completely since it began as a discussion of Centennial Projects, and no one seems interested in the original topic, so . . . .
http://www.oklahomacentennial.com/projects/tulsa.htm
Suprisingly very little information prior to now on a lot of this stuff. The centennial walk trailhead is supposed to be the new 6th and main park but this talks about a centennial plaza adjacent to the new arena. Since this is all 2006-7 projects I'd think more would be known/in progress.
Not sure what happened to this thread but eh, I'll use it.
Here's a ODOT youtube for I40...