Plates, 1 chain (1 chain = 20.1168 meters) apart, 16 in tunnel south to Crow Road from the former Kelvinside Station (Lux/Stazione Restaurant on Great Western Road). I suspect they are plates to show distance to aid train and maintenance staff.
Location: Kelvinside
Original line: Lanarkshire and Dumbartonshire Railway
Photographer: Alistair MacKenzie
Contact photographer: Alistair MacKenzie
Image number: 31