Crossbay Tunnel is a course featured in Ridge Racer 6, Ridge Racer 7 and Ridge Racer Slipstream, located in the Rave City area of Ridge State.

The course is considerably challenging, featuring many blind corners as 80% of it are covered in tunnels, drastic elevation changes and a jump point. Unique to this course is a 360 degree corner which can be used to collect good amounts of nitrous.