Prison Lane
From Sonic Retro
Prison Lane is an Action Stage in Sonic Adventure 2.
Purpose
It is set inside the hallways of Prison Island, and the guards are GUN Hunters and Beetles. There are lots of prison cells, and one contains Big the Cat. Miles Prower and Amy Rose go through Prison Lane so Amy can sneak through a shaft and rescue Sonic the Hedgehog, who had been framed by his dark rival.
Other Versions
Iron Gate is an Action Stage similar to Prison Lane, but Dr. Eggman goes there to find Project Shadow. The defenses are heavier and Iron Gate is underground.