Radcial Highway is a level from Sonic Adventure 2 and its remake Sonic Adventure 2: Battle. It is the 5th stage for the Dark Side story and only Shadow the Hedgehog is playable on the stage. It appears in Mario & Sonic at the Olympic Winter Games as a Dream Event location.
Mario & Sonic at the Olympic Winter Games
Radical Highway makes an appearance in Mario & Sonic at the Olympic Winter Games as the Dream Event location for the Dream Snowboard Cross. It appears similar to that of its original appearance, featuring the large suspension bridge, yellow lighted tunnels and large shuttle loops. While some elements remain the same, some changes were made to the stage such as a constant downhill appearance and the enemies that appear.