European Parliament and Committee on Regional Development 14 January 2003, European Parliament legislative resolution on the proposal for a European Parliament and Council regulation establishing a European Railway Agency (COM(2002) 23 - C5-0046/2002 - 2002/0024(COD))

3. Basic parameters Within the meaning of Article 5(3)(b), the following in particular are regarded as basic parameters for achieving interoperability (1) : — Minimum infrastructure gauges — Minimum radius of curvature — Track gauge — Maximum track stressing — Minimum platform length — Platform height — Power-supply voltage — Catenary geometry — ERTMS characteristics (2) — Axle loading — Maximum