Washington Metro track gauge Re: The Washington Metro's 26 TPH limit (1406342) | |||
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Washington Metro track gauge Re: The Washington Metro's 26 TPH limit |
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Posted by Union Tpke on Thu Aug 25 19:26:27 2016, in response to The Washington Metro's 26 TPH limit, posted by fdtutf on Mon Aug 22 10:27:22 2016. I am mentioning this because the Metro is being discussed. Why is the Metro's track gauge 4 feet 8 1/4 inches instead of standard gauge, which is 4 feet 8 1/2 inches? |