1969 Leapfrog Freight. Takes a load off your mind. Illinois Central Railroad Published September 24, 2024 at 1507 × 2048 in Illinois Central Railroad ← Previous Next → PosterHistory > Railroad > Illinois Central Railroad > 1969 Leapfrog Freight. Takes a load off your mind. Illinois Central Railroad 1969 Leapfrog Freight. Takes a load off your mind. Illinois Central Railroad Source: Time Magazine