Image sources:

• – Nope, still not quite right :
  http://en.wikipedia.org/wiki/File:StephensonRocketScienceMuseumLondonJan2008.jpg
• – Going this fast what can go wrong?:
  http://farm3.static.flickr.com/2655/4178581067_d460fab947.jpg
• – The Inevitable Meeting:
  http://en.wikipedia.org/wiki/File:GreatTrainWreck.jpg
• – A new life denied:
  http://en.wikipedia.org/wiki/File:Beloeil_bridge_train_accident,_1864.jpg
• – God Bless us everyone! :
  http://en.wikipedia.org/wiki/File:YaldingBeult0514.JPG
• – Scarier than that:
  http://kalaniosullivan.com/OsanAB/Pics/SongtanKyongbuRailroadMokchonCrossing1971EdwardCaler.jpg
• – Holding out for a Hero:
  http://en.wikipedia.org/wiki/File:CaseyJonesStamp.png
• – Neither rain, nor sleet, nor snow will stop the U.S. Mail, but crashing into a ravine will slow it down. :
  http://en.wikipedia.org/wiki/File:Old97Wreck.jpg
• – New times, same problems :
  http://farm4.static.flickr.com/3226/2936523705_7dc80322df.jpg