rower40
Member
- Joined
- 1 Jan 2008
- Messages
- 424
Preventing routes being set out of both ends appears to be a regional speciality. The older Scottish relay interlockings don't allow it. In one case that springs to mind (Cowdenbeath), the down platform starter in the down direction is an automatic, and it has to be replaced to danger by the signaller's replacement button before the route can be set from the up-direction signal in the same platform.Yes, would normally need 3 minutes between arrivals. One point though - will signalling systems allow you to set the road for simultaneous departures or is that usually prevented in the interlocking?
Which makes a mockery of ARS operation, since ARS can set routes, but it can't operate replacement buttons.
But when Waverley was resignalled to SSI, such controls weren't placed in the interlocking.