I've decided to try this out. First, it's much longer than anyone would expect. Second, it's almost as wide as my car's exhaust pipe (and Prius isn't big). Third, you have egyptians with Kalachnikovs on the other side every a few kilometers.
However, it's an ultra beautiful road. My mistake was to drive the 'philadelphic route' alone and unarmed. The army wouldn't let me thru most of the checkpoints, I had to wait sometimes for millitary (or other) traffic to accompany me. This was funny. It's because they posess some kidnapping alerts.
What's less funny is that one of the magavnicks I gave lift to, explained me that nearly every day they have border events. Mostly influx of ppl thru the border, some of which they couldn't catch. On the way I visited a base (they let me in - either case they are stuck in the middle of nowhere) and bought water in a military Shekem. The shekem was basically a plastic box with some ice and crembo.