SSP077 Iss 1
Absolute Block Controls - Minimum Standards Required
Synopsis
This new principle formally issues an instruction previously issued as a letter.
To be applied retrospectively and for all new works.
Read full standard
Registered
Withdrawn
Other
- Issued:
- 01/10/1991
- Published:
- 01/10/1991
- In Force:
- 01/12/1991
- Withdrawn:
- 06/12/1997
Details
| Consultation Status | Closed |
| Vehicle Assessment | No |
| Superseded By | GKRT0042 Iss 1 |
| Lead Committee | Control Command and Signalling - CCS |