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Union Pacific Railroad

Jul 16, 2026

Rocky Mountain Steel begins $1.2 billion rail production in Pueblo

Rocky Mountain Steel has started operations at its $1.2 billion rail mill in Pueblo, delivering its first rail to Union Pacific Railroad under a new seven-year agreement.

Apr 15, 2026

Pueblo steel mill signs seven-year rail contract with Union Pacific

Rocky Mountain Steel Mills in Pueblo signs a seven-year contract with Union Pacific Railroad, ending legal disputes and boosting domestic steel rail production.