Line 4 (Budapest Metro)
| Line 4 | |||
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| Overview | |||
| Stations | 10 | ||
| Line number | Line 4 ("Green metro") | ||
| Website | www.metro4.hu | ||
| Technical | |||
| Line length |
7.4 km |
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| Track gauge | 1,435 mm (4 ft 8 1⁄2 in) | ||
| Electrification | 750 V DC | ||
| Operating speed | 80 km/h | ||
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7.4 km
Phase II (planned): 3.2 km
The Metro 4 (Officially: M4, South Buda–Rákospalota (DBR) Line, Unofficially: Green Line), is the fourth, or green line of Budapest Metro, and 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 government and the European Union.
Before Metro 4 was built, only Metro 2 served the Buda side of the river. Daily ridership has been estimated at 421,000. The line operates using fully automated Alstom Metropolis train sets, which are also installed on the M2 line.
In Hungary the construction of the line has been widely criticised as having an outdated route, despite the generally unchanged city-structure and density of microdistricts. The line has been noted for its high costs and inordinate delays — 17 in total — during construction.
The first plans for a fourth metro line were developed in 1972, the line was planned between South Buda and Rákospalota/Újpalota, later to Zugló. The first decree was made in 1976 and the government wanted to start the construction in 1978, however the project was ceased in 1978, they preferred the extension of Line 3.
The construction work eventually started in 2004, and the first section with 10 stations opened in 2014.
M4 has a transfer station for Line 2 at Keleti pályaudvar and for Line 3 at Kálvin tér station.
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Wikipedia