Hotshot Thermal Imaging Train to Prevent Delays on SWR Services Yurtdışı Haberleri by railsistem - Kasım 18, 20250 South Western Railway (SWR) and Network Rail have announced trials of new thermal imaging technology that aims to help prevent delays to train journeys. Hotshot, a newly-christened Class 450 train fitted with cameras to monitor track conditions, will soon begin operating along routes across the south west of England, allowing engineers