What is the purpose of the V-shaped rail between two straight rails on a railway? - Quora
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Why are there 2 extra rails between the tracks ending in a point on railroads specially at rail bridges? - Quora
What is the reason behind Japan's Shinkansen bullet train having narrow gauge tracks compared to other countries' high-speed trains? - Quora
The Canterbury Earthquake: Images of the distorted railway line - The Landslide Blog - AGU Blogosphere
How do Shinkansen (bullet train) drivers stop precisely at a station? - Quora
The Canterbury Earthquake: Images of the distorted railway line - The Landslide Blog - AGU Blogosphere
What is the interesting engineering behind the shape of train wheels? - Quora
What is your favorite NYC subway line and why? - Quora
Why were trains wheels not designed to have differentials? - Quora
What is the purpose of the V-shaped rail between two straight rails on a railway? - Quora
How is a derailed train put back on the tracks? - Quora
How is curved rail track made? The track appears curved when seen from a distance, but it is pretty straight when seen at the curve itself? - Quora
How is a railway track an example of parallel lines? - Quora
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