N ↑
Facilities
Track codes
IInbound
OOutbound
LLoading / unloading
SCar storage
PLoco parking
DService & repair
LPPassenger transfer
SPPassenger storage

Your route
Main line
Yard track
Buffer stop (dead end)

Facility icons
Square badge = drive your loco up
Round badge = park and walk
Open the ⚑ panel for the full key

Track geometry, station data and terrain imagery from the DV Community Map project. Derail Valley is a game by Altfuture. Fan-made, not official.