Siemens and Halske Signals

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Re: Siemens and Halske Signals

Postby traffic-light-man on Tue Apr 06, 2010 6:59 pm

2070 wrote:
traffic-light-man wrote:It's not a distant signal.

It means the same as a regular amber signal, as it applies to LRT which can stop (usually quicker than) simalar to a bus (or at least here in Europe anyway)


Any kind of light rail that cross roads has railroad preemption. When I was down in Baltimore, They used regular RAIL ROAD CROSSING lights and gates. :drool:


We use preemption, usually in the form of a force bit being sent to the signal controller via MOVA. However we have never, and nor do any other EU countries to the best of my knowlege, use Distant signalling.
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Re: Siemens and Halske Signals

Postby Troubleshooter on Tue Apr 06, 2010 8:38 pm

traffic-light-man wrote:
2070 wrote:
traffic-light-man wrote:It's not a distant signal.

It means the same as a regular amber signal, as it applies to LRT which can stop (usually quicker than) simalar to a bus (or at least here in Europe anyway)


Any kind of light rail that cross roads has railroad preemption. When I was down in Baltimore, They used regular RAIL ROAD CROSSING lights and gates. :drool:


We use preemption, usually in the form of a force bit being sent to the signal controller via MOVA. However we have never, and nor do any other EU countries to the best of my knowlege, use Distant signalling.


I suggest you read L.T.C. Rolt's "Red For Danger." It describes the use of distant signals in the UK.

If a railroad train has any speed at all, distant signals are necessary if crashes are to be avoided. The braking distance is often longer than the sight distance.
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Re: Siemens and Halske Signals

Postby traffic-light-man on Wed Apr 07, 2010 4:39 am

Are you referring to distant signalling for on-road LRT?

If so, I'd like you sto find me a site in which distant signalling is in operation on an LRT system that runs on-road.
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Re: Siemens and Halske Signals

Postby Troubleshooter on Fri Apr 09, 2010 10:55 am

traffic-light-man wrote:Are you referring to distant signalling for on-road LRT?

If so, I'd like you sto find me a site in which distant signalling is in operation on an LRT system that runs on-road.


I am referring to railroad signals. Buses have nice stopping distances, and don't require distant signals. Trains are too heavy to stop quickly, and require distant signals. Those same signals are used for light rail.
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Re: Siemens and Halske Signals

Postby Ampelfreund on Thu May 20, 2010 7:16 pm

Silumin (Siemens Aluminium) Traffic-lights

3.Generation 1973
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With Duesseldorf lense (Yellow Lense)
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