Why are the mee-mool lights (o)T(o) not on the signal mast?

[Robert Gift]

US322 in east Lewistown, PA.

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Pennsylvania 17044

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Also another unusual mounting: Dorcas Street and E. Water Street

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Pennsylvania 17044

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LED (O)
..NO
RIGHT
TURN

They replaced the original cantilever signal whichad (o)T(o) on the mast and onextending left overhead:

Street View of Lewistown · Google Maps

Pennsylvania 17044

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[Robert Gift]

September, 2021 the original cantilever signal istill present. (Could this be what I saw as a child in the early 1960's?)

Street View of Lewistown · Google Maps

Pennsylvania 17044

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[Robert Gift]

/\ Was the original cantilever signal deemed too low by today'standard and replaced?