Buses will be running from Bishop Auckland College main campus on Woodhouse Lane and back every 15 minutes on both days, with the first bus leaving at 9.45am.
The last bus will depart the festival site, from the rear of Wetherspoons, at 5.30pm.
Tickets are £2 return for adults, 50p for children between six and 15 and free for children five and under.
A number of road closures will also be in place in and around the market place:
There will also be two-way traffic lights in operation between Wear Chare and North Bondgate on both days to allow access to Wear Chare/Diall Stobb Hill/Binchester.
There will be no access to Durham Road from North Bondgate.