This photo was recently taken. The interstate at the bottom of the photo is I-70. The interstate is in the process of being moved south to give FedEx more space (part of the new interstate is already being used for traffic). The exit (still under construction) is in fact the new access to the new midfield terminal complex. You can see the new tower being constructed. The tower is going to be close to 300 feet AGL. The tower has to be operational before they can start upward construction of the new terminal (so they will be able to see the entire field) because the new terminal is going to be fairly tall. It has been pretty exciting watching the construction.
Seems like it has been a long time and the have a long time left before they are done.