Developer: GreatNortherner
Freeware or Payware: freeware
What to do (Switching, hauling, both): Lots of yard and industrial switching
Where is it set: This is a fictional route, set in a medium sized industrial town somewhere in the U.S.
What time-frame: 1970s-today
Where to get it (include link): Here in the RWA file library (search tag: GreatNortherner-IIR) or at trainsim.com
Back story (please be brief): The route covers a few miles of fully fictional industrial branchline trackage, a mainline interchange yard, a switching and sorting yard, a harbor, storage sidings, and many industrial spurs. It has many interactive transfer points (bulk freight loader and unloader, several freight docks, and container cranes).
Screenshots (optional-no more than 5):