A crossing loop and signal box were provided at Crianlarich when the line opened in 1873. From 1890, when the signals were interlocked, the layout was identically numbered to Luib. The crossing loop and signal box were abolished in 1921 owing to the close proximity of a crossing facility at Crianlarich Junction, less than a mile to the west. The sidings were retained and worked from a ground frame.
Maj. Gen. Hutchinson (Board of Trade) reported on his inspection of the Callander & Oban Railway from Killin to Tyndrum. Working was to be by train staff, of which notice was required. All facing points should be set and locked in the reverse position from the existing setting. A re-inspection would be necessary when the works were complete.
Line opened between Killin (i.e. Glenoglehead) and Tyndrum. Signal box opened.
Maj. Gen. Hutchinson (Board of Trade) re-inspected, finding that most of the requirements of 21 July 1873 had been complied with, but the points levers were not of a satisfactory character and the engineer had promised to substitute a different kind.
Maj. Gen. Hutchinson (Board of Trade) reported on re-inspection that points levers of a superior description to those before in use had been supplied, although even the present ones were somewhat deficient in weight and would require careful maintenance to ensure their working properly.
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| Crianlarich Station (1880) (Un-numbered) |
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Signal box replaced and signals interlocked.
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| Crianlarich Station (1890) |
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Temporary siding opened.
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New dwarf frame and signals for construction of West Highland Railway viaduct.
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New dwarf frame and signals for protection of new road overbridge. Temporary signals for West Highland Railway viaduct removed.
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Crianlarich Junction opened.
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Down Distant signal for Crianlarich East box relocated onto post of Crianlarich Station Up Home signal.
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Alterations. Details unknown.
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| Crianlarich Station (1920) |
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Crossing loop abolished and signal box closed. Down loop retained as single line. Dwarf frame provided to operate connection to sidings.
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