http://ask.metafilter.com/tags/ditchlights Questions tagged with 'ditchlights' at Ask MetaFilter. Sat, 29 May 2004 16:45:47 -0800 Sat, 29 May 2004 16:45:47 -0800 en-us http://blogs.law.harvard.edu/tech/rss 60 http://ask.metafilter.com/7602/Why%2Ddo%2DUS%2Dtrains%2Dhave%2Dflashing%2Dlights%2Don%2Dthe%2Dfront%2Dof%2Dthem Why do US trains have alternating flashing lights on the front of them? [Er, that's it, I'm just curious] tag:ask.metafilter.com,2004:site.7602 Sat, 29 May 2004 16:45:47 -0800 blinkinglights ditch ditchlights lights trains unitedstates bonaldi