SAR to test CAF trains on Saudi Arabia’s North-South Line March 26, 2015 | Middle East & Africa News Saudi Railway Company (SAR) is testing the push-pull trains supplied by Spain-based Construcciones y Auxiliar de Ferrocarriles (CAF) for service on the 2,750-km North-South Line linking Riyadh to Al H... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password