The Tunnel is a location in the map Green Run.
The Tunnel is located between the Bus Depot and the Diner. The Tunnel is one of four non bus stop locations on Green Run that is free of Denizen attacks. The other three are the Hunter's Cabin, the Prototype (Nacht der Untoten), and the Pylon.
The Jet Engine is a piece of the Thrustodyne Aeronautics Model 23 and can be found in the area near the Colt M16A1, near the cars, or by a corner near a closed tunnel.
The Wooden Board is a piece of the NAV table and can be found near the path leading to the Colt M16A1.
An overview of the entrance to the Tunnel.
A bloodspattered hallway, apparently leading to a fallout shelter.
Another one of the vignettes. Note the bloody footsteps on the wall.
The final little vignette, blood seen pooling near a barrel.
The location of the M16A1 within the Tunnel.