Day-to-Day Track Maintenance Part II: Switches & Crossings
- Originální název: Day-to-Day Track Maintenance Part II: Switches & Crossings
- Žánr: Dokumentární
- Režie: C. David Lochner
- Hudba:
Continuing the study of the normal tasks performed by a permanent-way gang, this film deals with the maintenance of switches, common crossings and obtuse crossings. These are the fundamental units from which all track layouts, however complicated are built up.















