There is a shuttle bus service between Arnhem Central railway station and GelreDome. The shuttle service is clearly indicated at the railway station. Also the city buses provide a connection to GelreDome. Make sure you are on the right bus. 
Parking tickets
The cost of a regular parking is Euro 12,50 (incl. fee) in advance and Euro 15, - in the parking lot.

Would you be assured of a parking at P1 GelreDome order Guarantee-ticket Euro 19,50 in advance.Ticketinfo
Taxis at GelreDome use the taxi stand. The taxi stand is is located at the norh side of GelreDome. The taxi stand is managed by traffic conductors. Always follow the instructions of the traffic conductors. 
Shuttle bus tickets
There is a shuttle bus service between Anrhem Central railway station and GelreDome. When the first shuttle buses will be announced later.

Shuttle Tickets are only available at the shuttle stop. A shuttle bus ticket (return) costs Euro 5, -.Ticketinfo
Kiss & Ride
If somebody drops you off or picks you up, make use of the “Kiss & Ride” located at GelreDome. Follow the instructions of the traffic conductors so that the other traffic is not hindered and passengers can get out safely.
Bus Trip
The coolest bustrip to Hard Bass is via Event Travel. The depart from 137 locations in the Netherlands.

Check if your city is among them.
If you come to GelreDome by bicycle, you can make use of the bicycle parkings. The bicycle parking is free of charge, but not monitored. Parkings are located at the corners of the stadium near the entrance. Bikes parked outside this designated area, placed on emergency-routes, will be removed if necessary. 
Organizing your own bus trip to the event? Sign up below. You will receive all the required information to get to, and park at, the event.

Within 3 days before the event all information will be sent by e-mail.

Parking costs Euro 40,-. Drop-off and Pick-up is Euro 10,-. 
Working at Hard Bass you can park next to Gelredome. Obviously, you must be in possession of a parking ticket issued by your employer. If you are not in possession of a parking ticket one must be purchased on site.

Press should also be in possession of a valid parking ticket. 
Disabled parking
In case you are in possession of a handicapped parking permit, you can park at P-1 GelreDome. Notify the traffic and parking stewards that you want to park close to the entrance. They will, if possible, guide you to a place near the entrance. A place near the entrance can not be guaranteed.