Comprising train and track footage quickly shot just before a heavy winter’s snowfall was melting, the multi-award-winning classic that emerged from the cutting-room compresses British Rail’s dedication to blizzard-battling into a thrilling eight-minute montage cut to music. Tough-as-boots workers struggling to keep the line clear are counterpointed with passengers’ buffet-car comforts. ¬†Screens with This Happy Breed.