tracklayer

from WordNet (r) 3.0 (2006)

tracklayer
    n 1: a workman who lays and repairs railroad tracks [syn:
         {platelayer}, {tracklayer}]

from The Collaborative International Dictionary of English v.0.48

Tracklayer \Track"lay`er\, n. (Railroads)
   Any workman engaged in work involved in putting the track in
   place. [U. S. & Canada] -- {Track"lay`ing}, n.
   [Webster 1913 Suppl.]