| 1. | The semaphores were replaced with colour light signals and electrical interlocking.
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| 2. | Abergynolwyn has colour light signals, which are operated from the blockpost.
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| 3. | All signals are multiple aspect colour light signals fitted with Train stop arms.
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| 4. | Finally, Coleraine was resignalled with three-aspect colour light signals in 1938.
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| 5. | Both signalboxes control a mix of semaphore and colour light signals with mechanically operated points.
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| 6. | The signal box was removed when semaphore signals were replaced by colour light signals c2010.
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| 7. | The narrow-gauge railway now has colour light signals as entrance and exit signals.
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| 8. | A new modernization programme began in 1982, still using mainly two aspect colour light signals.
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| 9. | In the UK, most filament-type colour light signals are equipped with lamps having two filaments.
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| 10. | The station was opened with automatic, three-aspect colour light signals which had been standard since 1924.
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