https://irse.signalpost.org/ Fri, 19 Jun 2026 10:29:15 +0000 MyBB https://irse.signalpost.org/showthread.php?tid=454 Thu, 24 Jun 2010 08:26:59 +0000 greensky52]]> https://irse.signalpost.org/showthread.php?tid=454
1. Usually in non-stopping calculation, we leave 20% contingency. But I noticed people do not leave contingency when calculating stopping headway. I think it should also leave 20% contingency although I did not do so in this practice]]>
1. Usually in non-stopping calculation, we leave 20% contingency. But I noticed people do not leave contingency when calculating stopping headway. I think it should also leave 20% contingency although I did not do so in this practice]]>