These are primarily as reference points that can be uséd to specify a position on the infrastructure, for example when reporting an incident or in connection with engineering work. © West Hill Wagon Works.
Mile posts - British Rail (BR) style - O Gauge (Pack of 8)
Model Scene 5051 Level Signs & Mile Posts NOS Sealed OO Gauge Accessory
Mile posts - London and North Eastern Railway (LNER) style - OO Gauge (Pack of 2
LEVEL SIGNS & MILE POSTS (6) "OO" GAUGE MERIT 5051
Hornby Dublo 00 gauge Gradient & Mile Posts
KJS3401 British Railway Cast Iron Half Mile Bridge Marker Sign Plaque Railwayana