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| London Transport (uk.transport.london) Discussion of all forms of transport in London. |
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#1
June 1st 17, 12:15 AM
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Victoria line signals
On 31.05.17 20:51, Richard wrote:
On Mon, 22 May 2017 13:22:12 +0000 (UTC), d wrote: Other ATO lines on the tube have a blue or white light for proceed in ATO mode but the victoria line seems to have retained plain old red/green. Any know if there's a particular reason for this? On other systems I've read about, green means clear to the next colour light signal whereas white/blue means that you can start under ATP, either ATO or manual, but the line isn't clear all the way to the next. Perhaps those signals are 3-aspect? Does anyone have a good reference for the Victoria signalling? Richard. Green - All trains clear Blue - Trains under code clear Red - Stop and stay |
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#2
June 1st 17, 08:22 AM
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Victoria line signals
On Thu, 1 Jun 2017 01:15:34 +0100
" wrote: On 31.05.17 20:51, Richard wrote: On Mon, 22 May 2017 13:22:12 +0000 (UTC), d wrote: Other ATO lines on the tube have a blue or white light for proceed in ATO mode but the victoria line seems to have retained plain old red/green. Any know if there's a particular reason for this? On other systems I've read about, green means clear to the next colour light signal whereas white/blue means that you can start under ATP, either ATO or manual, but the line isn't clear all the way to the next. Perhaps those signals are 3-aspect? Does anyone have a good reference for the Victoria signalling? Richard. Green - All trains clear Blue - Trains under code clear Red - Stop and stay All I can say is I've never seen a blue aspect on the victoria line. What signals remain seem to go straight from red to green in my experience. However perhaps thats just station starters and the blue signals are in the tunnels? -- Spud |
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#3
November 17th 17, 02:01 PM
posted to uk.transport.london
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Victoria line signals
On Thursday, 1 June 2017 09:22:40 UTC+1, wrote:
On Thu, 1 Jun 2017 01:15:34 +0100 " wrote: On 31.05.17 20:51, Richard wrote: On Mon, 22 May 2017 13:22:12 +0000 (UTC), d wrote: Other ATO lines on the tube have a blue or white light for proceed in ATO mode but the victoria line seems to have retained plain old red/green.. Any know if there's a particular reason for this? On other systems I've read about, green means clear to the next colour light signal whereas white/blue means that you can start under ATP, either ATO or manual, but the line isn't clear all the way to the next. Perhaps those signals are 3-aspect? Does anyone have a good reference for the Victoria signalling? Richard. Green - All trains clear Blue - Trains under code clear Red - Stop and stay All I can say is I've never seen a blue aspect on the victoria line. What signals remain seem to go straight from red to green in my experience. However perhaps thats just station starters and the blue signals are in the tunnels? -- Spud There are blue and white signals at the end of the platforms, you can probably only see them from the cab. I had a cab ride a couple of weeks back and did notice the odd green signal in between stations as well, but I think they were mainly near reversing points. Trains do move towards block marker boards, which are red and white in colour. |
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#4
November 17th 17, 02:15 PM
posted to uk.transport.london
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Victoria line signals
On Friday, 17 November 2017 15:01:21 UTC, upinthesky wrote:
On Thursday, 1 June 2017 09:22:40 UTC+1, wrote: On Thu, 1 Jun 2017 01:15:34 +0100 " wrote: On 31.05.17 20:51, Richard wrote: On Mon, 22 May 2017 13:22:12 +0000 (UTC), d wrote: Other ATO lines on the tube have a blue or white light for proceed in ATO mode but the victoria line seems to have retained plain old red/green. Any know if there's a particular reason for this? On other systems I've read about, green means clear to the next colour light signal whereas white/blue means that you can start under ATP, either ATO or manual, but the line isn't clear all the way to the next. Perhaps those signals are 3-aspect? Does anyone have a good reference for the Victoria signalling? Richard. Green - All trains clear Blue - Trains under code clear Red - Stop and stay All I can say is I've never seen a blue aspect on the victoria line. What signals remain seem to go straight from red to green in my experience. However perhaps thats just station starters and the blue signals are in the tunnels? -- Spud There are blue and white signals at the end of the platforms, you can probably only see them from the cab. I had a cab ride a couple of weeks back and did notice the odd green signal in between stations as well, but I think they were mainly near reversing points. Trains do move towards block marker boards, which are red and white in colour. Come to think maybe the red and green are for engineers trains, would doubt they would have the ATO equipment fitted. |
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