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Cold Rails
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<p>[quote user="tree68"]</p> <p><span style="font-family:comic sans ms,sans-serif;color:#003300;font-size:small;">Pull-aparts, either due to broken rails or at joints, are all too common when it gets cold. </span></p> <p><span style="font-family:comic sans ms,sans-serif;color:#003300;font-size:small;">While the rail is designed to expand and contract, there are limits. Pull-aparts are the opposite of sun kinks.</span></p> <div style="clear:both;"></div> <p>[/quote]</p> <p>[quote user="cacole"]</p> <p>Passenger safety -- Rail Runner is a commuter line, so the officials that be are probably more concerned with passenger safety due to broken rail.</p> <p>[/quote]</p> <p>Building off these two posts, up here in Massachusetts, the MBTA runs with restricted speeds whenever the temperature gets into the upper 70s. The neutral temperature is colder, so we can run at normal speed most of the time in the winter.</p>
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