I've seen the trail heads off of I-drive near 536 (going into shingle creek), but I couldn't find a way in except jumping the 4" curb... and I'm too old to risk getting arrested for trespassing. Could that be the suburban place you're talking about?
Normal people believe that if it ain't broke, don't fix it. Engineers believe that if it ain't broke, it doesn't have enough features yet.
- Scott Adams