For anyone who hasn't seen the article, DSC have an interesting piece outlining details of several proposed improvements to the circuit/infrastructure
here.
Hoping the Mulsanne gravel trap extension doesn't adversely affect the viewing area, but I suspect it will, and what is the purpose of the pedestrian footbridge at Indianapolis? A new infield spectator enclosure?
The tunnel extension makes sense, we've all stood there for lengthy periods waiting to cross the road at the tunnel exit. Good news!