I think the main reason you put the wall up is to give players and idea where the guard zone starts and ends for both pk and blue alike, maybe this was the wrong way to go at it. maybe marking the zone's end and start in a difernt manor would help? same conspet as above with alot less work, you could mark the border using a sign or a doted line. or somthing......
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damn i was gona do some consepts but my RunUO local mess around sevrer is not working, plby cues i have a stupid computer that dosent like to work when i need it too.

anyway - maybe the wall thing was a bad idea, and maybe you could look at other ways of marking the border line of the guard zone. if players could leave the town any way they wanted, the "Spot" thing may be a little harder to do, might be a fix, might make things worse.