UP No. 844’s journey tracked on Twitter Ralph
http://news.yahoo.com/s/ap_travel/20090420/ap_tr_ge/travel_brief_train_twitter;_ylt=Am41fLshBaFaOmrLmpb4G.is0NUE;_ylu=X3oDMTFkbDJydTA5BHBvcwMxNjUEc2VjA2FjY29yZGlvbl90cmF2ZWwEc2xrA2Nob29jaG9vdHdlZQ--