i feel really sorry for you because there doesn't seem to be many places untouched by the fence. i'm writing not doing pictures this weekend so it's one less person to fight for a spot with.
however, checking what sort of media pass you have, you should be able to get some cool pitlane shots sorted. just look where other photographers go and follow them.
remember your equipment is replaceable but you aren't. if you haven't already make sure you've got a filter on the lens to protect it from stones flying around. apart from that what they said