Scope of Regulation 1. This draft National Technical Regulation stipulates the technical requirements and management requirements for the metro type within the urban railway system. 2. This National Technical Regulation applies to urban railways of the metro type with a design speed of less than 200km/h. For other types of urban railways, the investment decision-maker or the project owner shall consider applying the provisions of this Regulation as appropriate. Subjects of Application This draft national technical regulation applies to organizations and individuals involved in the management, investment in construction, operation and exploitation of urban railways system in Viet Nam