Terms in alphabetical order

Delay recovery

Delayed release

Demonstration

Depannage

Departur signal

Departure administration

Departure administration

Departure hay “station”

Departure track

Dependabilityc

Dependent failure

Dependent point lock ?

Dependent tower ?

Depor

Derail ?

Derailer

Derailment

Despatch note

Despatch note for express parcels

Destination signal ?