There are also exits for 355th Ave and 411th Ave. No idea why they continue the grid out that far, but I am sure we will sprawl out that far and then it will all make sense. I have driven that stretch many times. I littered that highway with the 250' lattice cell towers you see on the drive. My contribution to your cell phone service.Dan said:Gedunker has it, and ludes98 has it pinned down. Better than I thought, actually.