- - Network Rail supporter, elevated to the Lords possibly without notice
- - Surface beneath the crossties
- - Under the crossties
- - Track's foundation
- - Track foundation
- - Railroad foundation
- - Train track foundation
- - Foundation with ties
- - Train track supporter
- - Foundation for a train track
- - Street surface
- - Highway foundation
- - Part of a railway.
- - Foundation of a railway.
- - Highway engineer's concern
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