2
cargo
confusion
cross
crossing
crossroad
crossroads
direction
forward
freight
green
intersecting
intersection
iron
junction
light
line
logistic
logistics
merge
merging
metal
monochromatic
old
paths
perspective
point
rail
rail road
railroad
railway
railway line
railway tracks
road
station
steel
switch
together
track
traffic
train
transport
travel
two
way
wood