The Qom – Arak Railway project is part of the comprehensive program of launching high-speed lines promoted by the Islamic Republic of Iran Railways. This new High Speed Line, part of the Iran National Railway Network, will be a double track passenger railway line and will have an operational speed of 300 km/h. Qom – Arak High Speed Line is connected with Esfahan – Teheran railway line through a junction. Coding performed the preliminary design of all the line (117 km). The project includes 6 railway viaducts, crossing infrastructures, Arak station and a facility area.