SSP019 02-91
Approach Locking
Synopsis
Indication to be provided to the signalman of expiry of route release.
Read full standard
Registered
Withdrawn
Other
- Issued:
- 01/02/1991
- Published:
- 31/10/2016
- In Force:
- 01/02/1991
- Withdrawn:
- 01/07/1992
Details
| Consultation Status | Closed |
| Vehicle Assessment | No |
| Supersedes | SSP019 06-88 |
| Superseded By | SSP019 Iss 1 |
| Lead Committee | Control Command and Signalling - CCS |