DCHP-1 Online
end of track 
the most recently laid tracks of a railway under construction; the farthest point to which tracks have been laid.
See also: end of steel (def. 1b) head of steel (def. 1)
end of track
the most recently laid tracks of a railway under construction; the farthest point to which tracks have been laid.
See also: end of steel (def. 1b) head of steel (def. 1)