trackwork

noun3

1. •
   Construction or maintenance of railroad tracks

   • The train is going to be delayed by ten minutes due to trackwork.
2. •
   The tracks and associated equipment of a railway line.

   • At present the principal exercise in resignalling and new trackwork involves the Pickering area. — 1979
3. •
   Practice in racing around a track

   • McDonald described Weekend Hussler's trackwork this preparation as "frightening". — 2009