Metro Line M4 (Budapest Metro) Metro Line M4 (Budapest Metro) Line 4 (officially: South Buda–Rákospalota (DBR) Line, Metro 4 or M4, and unofficially: Green Line), is the fourth line of the Budapest Metro. It opened on 28 March 2014. The first section, 7.4 km in length and consisting of ten stations, connects the southwestern Kelenföld vasútállomás located in Buda, and the eastern Keleti pályaudvar in Pest, under the River Danube. While three additional sections — one an eastern extension to Bosnyák tér, the second west to Virágpiac, and a third further east to Újpalota — have been planned, these remain unfunded by the Budapest city
Budapest-Nyugati Railway Terminal Budapest-Nyugati Railway Terminal Budapest-Nyugati pályaudvar (Hungarian for Budapest Western railway station), is one of the three main railway terminals in Budapest, Hungary. Known to locals and foreigners alike simply as "the Nyugati" it lies at the intersection of Grand Boulevard and Váci Avenue. The station was planned by August de Serres and was built by the Eiffel Company. It was opened on 28 October 1877. Previously another station stood in its place, the end station of Hungary's first railway line, the Pest–Vác line (constructed in 1846). This building was pulled down in order to construct the Grand Boulevard (Nagykörút) which