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<p>[quote user="zugmann"]</p> <p>25 seconds isn't enough warning, according to Bucyrus.  Based on what, exactly?  How did you come to that conclusion?  Like my old tests used to say: show all work.</p> <p>And what is enough warning?  30 seconds?  40?  55?</p> <div style="clear:both;"></div> <p>[/quote]</p> <p><span style="font-size: 12pt; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"><span style="font-family: verdana,geneva;"><span style="font-size: small;">At 70 mph, average largest empty truck rig requires 600 ft to stop.<span style="mso-spacerun: yes;">  </span>Driver rounds curve and sees crossing lights flashing 900 ft. away.<span style="mso-spacerun: yes;">  </span>900 ft. minus 600 ft. = 300 ft. of warning.<span style="mso-spacerun: yes;">  </span>300 ft. at 70 mph = 2.9 seconds of warning.<span style="mso-spacerun: yes;">  </span></span></span></span></p> <p><span style="font-size: 12pt; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA;"><span style="font-family: verdana,geneva;"><span style="font-size: small;"><span style="mso-spacerun: yes;"></span></span></span></span></p>
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