Both Moor Street and Taunton have WW1 rolls of honour for the GWR.
Dumbarton station has a plaque in memory of the railway employees of the Dumbarton & Balloch Joint Line.
Barrow-in-Furness station has a WW1 memorial plaque for the Furness Railway Company, which was damaged as a result of enemy action in WW2.
Crewe station has a memorial plaque to the London & North Western Railway's Crewe North and South Steam Sheds staff for WW1.
Derby station has a memorial to the Midland Railway Company's Staff who died in South Africa during the Boer War.
GWR platform seat at Tyseley. The photo is something like 15 years old, so I don't know if the seat is still there. A reproduction?
Crewe again.