Michael, children enjoying themselves is not the same as worried parents. When I was young I could enjoy myself regardless of how concerned my parents might have been (sorry mum)!! If people are deciding not to attend because it's too busy, isnt that in itself a problem?
It's clear that this event is getting bigger and bigger each year, what numbers might we be talking about for 2010? How many might not bother because they couldnt park this year? Do the organisors have any idea? There could be safety concerns (busy road) if the event was extended into the Triangle. Is this really the answer?