Here is what was once known as the interactive Tanarus Map Archive. It's now a table and a directory on this site mostly for nostalgic purposes because the game is no longer on-line. You can still drive through these though with the correct client side build. Have a look..
Could be Phx or Advanced but it has above ground tunnels (AKA The Red Room) and different types of designs.
|advart.zip||OPEN THIS FILE||627449||8||Monroe David||2015-07-03|