From I-66

234 Business South (Sudley Road) to left at Balls Ford Road
Stay on Balls Ford Road until it ends in the Mayhew Field Parking Lot

From Manassas

234 Business North (Sudley Road) to Right at Balls Ford Road
Stay on Balls Ford Road until it ends in the Mayhew Fields Parking Lot

From Bristow

Route #1:  Linton Hall Road to Devlin Road.  Stay on Devlin until it becomes Balls Ford Road and continue past 234 business (Sudley Road) Stay on Sudley Road until it ends the the Mayhew Fields Parking Lot

Route #2:  Sudley Manor Road to 234 Business North (Sudley Road) to Right at Balls Ford Road
Stay on Balls Ford Road until it ends in the Mayhew Fields Parking Lot