SSP022 01-63
Methods of Transition from Semaphore to Colour Light and vv
Synopsis
Details methods of transition; notes risk of 'reading through' from last semaphore.
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Registered
Withdrawn
Other
- Issued:
- 01/01/1963
- Published:
- 02/11/2016
- In Force:
- 01/01/1963
- Withdrawn:
- 01/02/1988
Details
Consultation Status | Closed |
Vehicle Assessment | No |
Superseded By | SSP022 Iss 1 |
Lead Committee | Control Command and Signalling - CCS |