Bianca Seward/Houston Public Media

Union Pacific Railroad has lifted the train traffic curfew at the rail crossing near Milby High School in Houston, where 15-year-old student Sergio Rodriguez died last December while crossing the tracks on his way to school. In the days following the incident, the company said it would limit train traffic in the area, without a specified end date.

But as a new school year begins next week , Union Pacific said in a statement that "a return to a normal train schedule was needed to reduce blocked crossings and congested areas in other parts of the city caused by the curfew."

The tragedy prompted promises from local and state officials and Union Pacific last year , which included the company limiting train traffic during peak hours when students

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