Dornier to update Saudi Railways Master Plan; Talgo to supply trains for Riyadh-Dammam HSR March 18, 2015 | Middle East & Africa News Saudi Railways Organization (SRO) has awarded a SAR2.84-million contract to Germany-based Dornier Consulting GmbH (Dornier Consulting) to update the Saudi Railways Master Plan in six months. ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password