| | Rail Applications Special Interest Group (RASIG) http://www.informs.org/Section/rasig/ |
| | Rail at University of La Coruna http://www.udc.es/caminos/ |
| | Rail Directory (CTU) http://www.cvut.cz/home/railway.htm |
| | Rail Discussion Forums http://www.spikesys.com/front.html |
| | Rail Europe http://www.raileurope.com/ |
| | Rail France (RAIL) http://www.rail-france.org |
| | Rail in Russia http://www.russia-rail.com |
| | Rail Operators in UK http://www.rail.co.uk/ |
| | Rail Progress Institute http://www.idsonline.com/business/rpi/ |
| | Rail Transit OnLine http://www.railtransitonline.com |
| | Rail Web links http://www.obd.nl/~otto/rrlinks.htm |
| | Railpass http://www.railpass.com/ |
| | Railroad Retirement Board http://www.rrb.gov |
| | Railroad Terms Glossary http://www.uprr.com/uprr/ffh/gloss/rtalkgls.shtml |
| | Railroad Ternopil http://www.ssft.ternopil.ua/ech2 |
| | RailSites http://www.erols.com/jmsmith/index.html |
| | Railtrack http://www.railtrack.co.uk |
| | Railway age http://www.railwayage.com/ |
| | Railway Association of Canada / Association des Chemins de fer du Canada (RAILCAN) http://www.railcan.ca |
| | Railway consultancy and measuring equipment (ESVELD) http://www.esveld.com |
| | Railway Exchange http://www.railwayex.com |
| | Railway Freight Agency in Ukraine (UNICON LTD.) http://railway.uz.gov.ua |
| | Railway Gazette International (RGI) http://www.railwaygazette.com |
| | Railway Industrial Clearance Association http://www.rica.org |
| | Railway Maps UK http://www.rail.co.uk/ukrail/map/mapzones.htm |
| | Railway System Suppliers Inc http://www.rssi.org |
| | Railway Technical Web Pages http://www.geocities.com/CapeCanaveral/Hangar/8788/brake1.html#TrBrakeGlos |
| | Railway Technical Web Pages http://www.geocities.com/CapeCanaveral/Hangar/8788/st-glos.html |
| | Railway Technical Web Pages http://www.trainweb.org/railwaytechnical/ |
| | Railway Technology http://www.railway-technology.com |
| | Railways of Islamic Republic of Iran http://www.irirw.com |
| | Realidad Ferroviaria http://www.fiaf.org.ar |
| | Revista del Transporte (URGENTE ONLINE PRESS) http://www.fortunecity.com/silverstone/issigonis/68/ |
| | Revista Ferroviaria http://www.revistaferroviaria.com.br |
| | Revista Rieles Latinoamericanos http://www.latinrieles.com.ar |
| | Rhätische Bahn (RHB) http://cranium.unibe.ch/~ozdoba/rhb_main.shtml |
| | Rieles Multimedio http://www.rieles.com |
| | Riotrilhos http://www.riotrilhos.rj.gov.br |
| | Romanian Railways (CFR) http://www.cfr.ro |
| | Russian Railways (unofficial) (RZD) http://pavel.physics.sunysb.edu/RR/USSR/ |
