Haymarket Day is this Saturday, September 15, 2012!
This event will close Route 55 through Haymarket from 7am-7pm and is expected to host over 20 thousand guests.
This site link has surprisingly little information for such a big event for our area: www.haymarketfun.com
I mean this is Haymarket Day, not Warrenton Day or something.
Basically all the site mentions is that there will be 250 plus booths and 20,000 plus attendees on September 15th starting at 9:30am. No mention or links of the type of booths available but you should expect typical craft and food vendors.