This feature was produced by Association of American Railroads, and does not reflect the opinions or point of view of Vox Media or Vox Creative. Vox Media editorial staff was not involved in the creation or production of this content.

It's no accident that last year was the safest year ever on U.S. railways. See how 21^st-century technology and first-responder training are helping to keep America's most reliable and efficient mode of transport on track.