Mainline Railways was a British model railway brand that operated between 1976 and 1983, introduced by Palitoy, the...
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What was the Mainline Railways company?Read more -
What is a Wickham Trolley?Read moreA Wickham Trolley is a small railway maintenance vehicle once widely used across Britain's railways. Built by D...
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What was the Bachmann 'Blue Riband' subbrand ?Read moreThe Blue Riband subbrand was a significant step in the evolution of Bachmann Branchline, the UK division of Bachmann...
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Do I need to apply a camber to a tight curve of track on my layout?Read moreApplying a camber to a tight curve of track on your model railway layout can help improve the realism and operation...
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Avoiding the "Toy Train Look": Realistic Track ArrangementsRead moreA well-designed model railway is more than just a collection of tracks and trains: it’s a miniature world that...
What is TPWS grid?
A TPWS (Train Protection & Warning System) grid is an apparatus used on the railway as part of the ATP (Automatic Train Protection) system. Specifically, it is a transmitter placed on the track adjacent to a signal and is activated when the signal shows danger. Should a train pass over the grid at an unsatisfactory speed, the brakes will be automatically applied.
Additional grids are sometimes placed further away from the signal on faster running lines to ensure trains have enough distance to come to a halt should a safe approach speed be breeched.
Models of TPWS grids are available for 00 gauge track and can be found at all good model shops.
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TPWS Grids - pack of 12
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