Sten Parker: Points Maintenance and Worksite Protection US style
Sten Parker: BNSF Geometry Support Car Havre Montana 2000
Sten Parker: BNSF Track Measurement car Havre Montana 2000
Sten Parker: Burro Crane on UP Stockton Ca 2000
Sten Parker: UP Jordan Spreader Portola 2000
Sten Parker: Hi-Rail passing Altoona Station Pa
Sten Parker: BNSF Hi-rail passing Will Bridge Yard Portland Oregon
Sten Parker: Tie replacement Portland Oregon
Sten Parker: Limits of Protection
Sten Parker: Track Machines Shelby Montana
Sten Parker: Ballast Regulator Shelby Montana
Sten Parker: Tamper Shelby Montana
Sten Parker: Mechanised Tie replacement team
Sten Parker: Mechanised Tie replacement team
Sten Parker: Mechanised Tie replacement team Minneapolis MN