SSP019 01-63
Approach Locking
Synopsis
Parameters for 'comprehensive' and 'when cleared' controls defined, also release times for main and shunt routes.
Read full standard
Registered
Withdrawn
Other
- Issued:
- 01/01/1963
- Published:
- 31/10/2016
- In Force:
- 01/01/1963
- Withdrawn:
- 01/03/1979
Details
| Consultation Status | Closed |
| Vehicle Assessment | No |
| Superseded By | SSP019 03-79 |
| Lead Committee | Control Command and Signalling - CCS |