railway signalling system (Q1316667)
system with signals used to control railway traffic
Language:
other details
aliases railway signaling
 railroad signaling system
description system with signals used to control railway traffic

External Links
(P244) sh85111029
(P646) /m/01pbvc
(P1051) 13929
(P2581) 02121274n
(P3417) Railway-Signalling
(P6366) 558252296
(P7749) 11408
(P8189) 987007560606705171