"POLIUS" - tarifs calculation application for Baltic and UIC roads (requiring payment):
http://www.ltr32.ru/

Mobile train characteristics:
http://www.mtk-twins.ru/ru/documents/sostav/      http://www.vagonnik.net.ru/pages/vagon/vagon.php

Baltic and CIS country rail way map:
http://www.parovoz.com/maps/supermap/