The event area is located in the Wallanlangen in front and behind the Bremen Kunsthalle (corner of Tiefer and Altenwall), on the Marktplatz (Am Markt) and next to the Dom (Bismarck-Memorial).
You can walk between the two event areas within a few minutes. 

With the bike 

Bicycle parking is opposite the city library, Am Wall 201 and in the BREPARKhaus, Wilhadistr.1 and many more.
Here you can find all bicycle parking places in Bremen.

By public transport 

From the 1.5. there is the Deutschland-Ticket. 
With that you can travel to the festival cheaply. Here you can find the information. 
Stops that are within walking distance to the events: 
"Domsheide" and "Theater am Goetheplatz".
You can find your suitable connections here.

By car

BREPARK multi-storey car parks in the immediate vicinity can be found here: 

Ostertor/Kulturmeile: Osterdeich 2 
Martinistraße: Langenstraße 31
Cathedral: Wilhadistr. 1

All information about car parks can be found here.