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Adrodd fel Amhriodol

Testun Gwreiddiol (Anodiad: EPW028330 / 1038401)

' A "Burrowing" (as opposed to a "Flyover" type)junction to allow branch line trains to cross the path of mainline trains without causing delays. The Southern Railway invested a great deal of money at this time installing such junctions on their system. '

Dywedwch wrthym pam mae’r cynnwys hwn yn amhriodol *(gofynnol)

Dewis categori *(gofynnol)

Os ‘Arall’ rhowch fanylion (dewisol)

Eich enw (dewisol)

Eich cyfeiriad e-bost (dewisol)

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