SSP023 02-88
Intermixing of 3 and 4 aspect signals
Synopsis
Re-issue without change.
Read full standard
Registered
Withdrawn
Other
- Issued:
- 01/02/1988
- Published:
- 02/11/2016
- In Force:
- 01/02/1988
- Withdrawn:
- 01/12/1991
Details
| Consultation Status | Closed |
| Vehicle Assessment | No |
| Supersedes | SSP023 01-63 |
| Superseded By | SSP023 Iss 1 |
| Lead Committee | Control Command and Signalling - CCS |