Tehran-Qom-Isfahan HSR is the first high speed railway project in Iran which is currently ongoing. This railway has been reduced the travel time between Tehran and Isfahan and also connects Isfahan and Qom to Imam Khomeini International Airport. The project length is 410 Km, design speed is 300 Km/h, and the operation speed is 250 Km/h with a capacity of 16 million passengers per year. The Employer’s consultant of this mega project is under the responsibility of a Joint venture of Iran Oston Consulting Engineers and the Italian company of Italferr.