Consultrans to conduct feasibility study for Riyadh-Damman HSR September 2, 2014 | Middle East & Africa Company News Saudi Railways Organisation (SRO) has awarded a SAR6.6-million contract to a consortium of Spanish consultants led by Consultrans to conduct a feasibility study of the 480-km high-speed railway (HSR) ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password