The Ring Rail Line ( fi, Kehärata, sv, Ringbanan; formerly ''Marjarata'') is a railway route in the area of the city of
Vantaa
Vantaa (; sv, Vanda, ) is a city and municipality in Finland. It is part of the inner core of the Finnish Capital Region along with Helsinki, Espoo, and Kauniainen. With a population of (), Vantaa is the fourth most populated city in Finland ...
, in the Greater
Helsinki Metropolitan Area
Greater Helsinki ( fi, Helsingin seutu, Suur-Helsinki, Swedish: ''Helsingforsregionen'', ''Storhelsingfors'') is the metropolitan area surrounding Helsinki, the capital city of Finland. It includes the smaller Capital Region (''Pääkaupunkiseutu' ...
of
Finland
Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bo ...
. It connects
Helsinki-Vantaa Airport and the adjacent
Aviapolis business and retail district to the
Helsinki commuter rail
Helsinki commuter rail ( fi, Helsingin seudun lähijunaliikenne, sv, Huvudstadsregionens närtrafik) is a commuter rail system serving Greater Helsinki and the surrounding county of Uusimaa. The system is a joint venture between the regional t ...
network. The line fills the gap between
Vantaankoski and
Tikkurila
Tikkurila (; sv, Dickursby) is a district and major region of the municipality of Vantaa, Finland. Located in the eastern half of the Helsinki conurbation, some north of the capital's downtown district, it is the administrative and commercial ...
railway stations, travelling in
tunnel
A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...
underneath the airport.
The line started operating on 1 July 2015.
History
The founding stone of the line was laid on 3 March 2009, and construction was started on 13 May 2009 with the excavation of service tunnels. The excavation of a 300 m long tunnel station under the airport was completed in March 2010, as the construction was proceeding on schedule.
In February 2011, a video on the project's official website stated that the project would be open by June 2014. It announced various new details, including that the station at Tikkurila would be entirely rebuilt as an integrated travel centre, as well as details on the trains that would serve the airport. In September 2012, the opening date was pushed back to July 2015, due to the unexpected need to re-design and reinforce the airport station tunnel to withstand the acidic products of
propylene glycol
Propylene glycol ( IUPAC name: propane-1,2-diol) is a viscous, colorless liquid, which is nearly odorless but possesses a faintly sweet taste. Its chemical formula is CH3CH(OH)CH2OH.
Containing two alcohol groups, it is classed as a diol. It ...
decay by bacteria within the ground. Propylene glycol is used as a de-icing agent for the planes.
The Ring Rail Line started operating on 1 July 2015.
The station at the Helsinki Airport opened later, with the Tietotie entrance opening on 10 July and the direct connection to the terminal opening in December 2015.
Route

The new line creates a connection from the airport to
Helsinki Central railway station
Helsinki Central Station ( fi, Helsingin päärautatieasema, sv, Helsingfors centralstation) (HEC) is the main station for commuter rail and long-distance trains departing from Helsinki, Finland. The station is used by approximately 400,000 peop ...
, as well as the suburban areas on the route. The new railway leaves the mainline going north from Helsinki after Tikkurila station in the east, travel via the airport and into Vantaankoski station to the west, joining the existing the branch line for western Vantaa which was previously served by the "M" train. Five new stations were built, with space reserved for three more in the future.
The line is served by the "P" and "I" trains which travel the ring clockwise and anticlockwise respectively. The journey time from the airport to Helsinki Central Railway Station is 27 minutes ("P" train) or 32 minutes ("I" train), whilst the time to Tikkurila, to connect with long-distance trains going north or east, is 8 minutes. Both trains operate every 10 minutes in the daytime.
Stations
230px, Leinelä, one of the new stations, in 2015.
In the first phase, five new stations were built at
Vehkala,
Kivistö,
Aviapolis,
Helsinki-Vantaa Airport and
Leinelä. Out of these, the Aviapolis and Airport stations are located in a tunnel. Reservations have been made for three additional stations: Petas (surface), Viinikkala (tunnel) and Ruskeasanta (tunnel).
Cost
The projected cost of the construction is €655 million as of September 2012,
up from €605 million in March 2010.
The estimated cost of the project in December 2014 was €738.5 million.
The current estimated cost of the project is €773.8 million
Future development
Separate proposals exist to extend the
Helsinki Metro
The Helsinki Metro ( fi, Helsingin metro, sv, Helsingfors metro) is a rapid transit system serving Greater Helsinki, Finland. It is the world's northernmost metro system. It was opened to the general public on 2 August 1982 after 27 years of pl ...
to the airport, and to move long-distance services from the current main North-South corridor to a new railway between Pasila and Kerava, passing through the airport. This new route, known as
Lentorata, would travel in a long tunnel under the airport and allow direct access from long-distance trains, as well as free the rail capacity taken up by long-distance traffic in the current main corridor for the increasing local commuter traffic.
See also
*
Helsinki City Rail Loop
*
Jokeri light rail
*
Länsimetro
*
Lentorata
References
External links
Finnish Transport Agency > Projects > Under construction > Ring Rail Line
{{Railway lines in Finland
Railway lines in Finland
Transport in Vantaa
5 ft gauge railways in Finland
Railway tunnels in Finland
Airport rail links
Railway lines opened in 2015
2015 establishments in Finland
Underground commuter rail
Buildings and structures completed in 2015