As well as road closures, there will be parking restrictions for residential streets to help residents living in the Rugeley area access their homes and reduce spectator parking.
Cannock Chase Forest is a popular destination with many people visiting to cycle, walk along the walking trails, visit the Go Ape centre plus much more.
Around 2,500 ticketed spectators are expected to attend, as well as many more lining the trail for a glimpse of the event.
The mountain biking events will be run from 11.30am-4pm on Wednesday.
While travel information on how to get to the venue can be found here, the restrictions and road closures taking place in and around Cannock Chase on Wednesday are:
Permit access only
Post Office Lane
Slitting Mill Road
St Johns Close
Brindley Heath Road
Kingsley Wood Road
Penkridge Bank Road
Rifle Range Corner
Shooting Butts Lane
Stafford Brook Road
Staffordshire County Council states that if you live or work in a controlled parking or permit access-only road you will need a permit to park and/or access your road. Permits are free for residents and businesses - two permits were automatically issued to affected properties at the end of June.