2 Reroute Over the 4

So I Saw this on the Board This Evening And Found this G.O Intresting to say the least...So It seems the 2 will Switch at chambers...Then switch to the Inner loop At SF then Head Up to Wall Switch To the BK side Then REVERSE cabs And Head to Bk??? Wow What Warrants such A setup??? If it wasnt so late I wud wanna Ride this lol Sent from my iPhone using Tapatalk