Sierra Nevada’s snow battle: Union Pacific’s giant snowblower maintains rail service, tackling ‘Sierra Cement’ since 2011.
In the Sierra Nevada Mountain range, the Union Pacific Railroad employs a powerful arsenal to combat the challenges posed by heavy snow, commonly referred to as “Sierra cement.” To keep the vital supply chain moving, the railroad utilizes rotary snowplows, an impressive solution that hasn’t halted rail service on the mountain since 2011. The rotary …