The signal are in working order but have a bit more agewear, probably not original to this bridge.
Vintage Hornby Series Tinplate No1 Footbridge with Detachable Signals ~ Boxed
1930s Hornby Series Tinplate Level Crossing For Clockwork Layout. Ref BD
Hornby Series Tinplate Footbridge, level crossing, station etc
Meccano/Hornby Series Tinplate Platform Set M - 0 Gauge Model Railway
Vintage Hornby Series Tinplate No1 Footbridge
Vintage Boxed Hornby Series O Gauge Tinplate No 2 Single Arm Signal Distant
