NS DD-AR

NS DD-AR (full name: Dubbeldeksaggloregiomaterieel) were built by Waggonfabrik Talbot (now Bombardier Talbot) , De Dietrich Ferroviaire (now Alstom DDF) and Adtranz between 1992 and 1998 and are operated in the Netherlands by Nederlandse Spoorwegen (NS). This class is a type of an electric multiple unit and was delivered in two batches as DDM-2 and DDM-3. Since 2009 the NS DD-AR are undergoing modernisation to transform them from Sprinter to Intercity. The renovated trains ride under the new NS DDZ (Full name: DubbelDekkerZonering) code.