Metro (T-banen)
31-05-1898: Holmenkolbanen > Majorstuen -
Besserud (6.5 km) [single track: Slemdal
- Besserud (3.2 km)]
__-__-1905: Holmenkolbanen > Slemdal - Besserud (3.2 km) [2nd track]
07-11-1912: Holmenkolbanen > Majorstuen
- Smestad (1.9 km) [single track]
16-05-1916: Holmenkolbanen > Besserud - Frognerseteren
(5.2 km)
18-12-1923: Tramway >
Helsfyr - Brynseng (0.8 km)
03-11-1924: Tramway > Jar - Avlos (4.5 km)
10-01-1926: Ostenjobanen > Brynseng - Oppsal
(3.2 km) [tramway service; single track: Godlia - Oppsal:
1.7 km)]
28-06-1928: Holmenkolbanen >
Majorstuen - Nationaltheatret (2.0 km)
01-01-1930: Baerumsbanen > Avlos - Kolsas (2.7 km) [tramway
service; single track]
10-10-1934: Sognsvannsbanen > Majorstuen - Sognsvann (6.0
km) [single track: Osthorn - Sognsvann: 1.6 km)
24-01-1935: Roabanen > Majorstuen - Smestad
(1.9 km) [2nd track] and Smestad
- Roa
(2.9 km)
21-02-1939: Sognsvannsbanen > Osthorn - Sognsvann (1.6 km)
[2nd track]
15-06-1942: Kolsasbanen > Smestad - Jar (4.5 km)
23-12-1942: Kolsasbanen > Jar - Kolsas (8.2 km) [2nd track]
22-12-1948: Roabanen > Roa - Grini (0.9 km)
26-05-1950: Ostenjobanen > Godlia - Oppsal (1.7 km) [2nd
track]
03-12-1951: Roabanen > Grini - Lijordet (1.2 km)
28-04-1957: Lambertseterbanen > Brynseng - Bergkrystallen (5.9 km) [tramway
service]
20-07-1958: Ostenjobanen > Oppsal - Boler (1.4 km) [tramway service]
22-05-1966: 1 / 2 / 3 / 4/6 / (5) >
Jenbanetorget (Oslo S) - Brynseng
(+4.1 km)
18-05-1966: Ostenjobanen > Brynseng - Bergkrystallen (5.9 km) closed due
to metro upgrading
16-10-1966: (4/6) / 5 > Toyen - Grorud (+9.2 km)
27-10-1967: Ostenjobanen > Brynseng - Boler (4.6 km) closed due to metro
upgrading
29-10-1967: 4/6 > Brynseng - Bergkrystallen (+5.9 km)
29-10-1967: (2) / 3 > Brynseng - Boler (+4.6 km)
26-11-1967: 3 > Boler - Skullerud (+2.1 km)
18-11-1970: 2 > Hellerud - Haugerud (+2.0 km)
16-11-1972: Roabanen > Lijordet - Osteras (0.6 km)
03-03-1974: 5 > Grorud - Rommen (+1.7 km)
18-08-1974: 5 > Rommen - Stovner (+0.7 km)
15-12-1974: 2 > Haugerud - Trosterud (+0.9 km)
21-12-1975: 5 > Stovner - Vestli (+1.4 km)
09-01-1977: 1 / 2 / 3 / 4/6 / 5 >
Jernbanetorget (Oslo S) - Stortinget (+0.5 km)
19-12-1978: 2 > Trosterud - Furuset (+2.4 km)
08-11-1981: 2 > Furuset - Ellingsrudasen (+1.2 km)
22-02-1983: 1 / 2 / 3 / 4/6 / 5 >
Jernbanetorget (Oslo S) - Stortinget (-0.5 km) closed
06-03-1987: 1 / 2 / 3 / 4/6 / 5 >
Jernbanetorget (Oslo S) - Majorstuen
(+3.2 km)
05-05-1992: Sognsvannsbanen > Ulleval stadion - Sognsvann (3.4 km)
closed due to metro upgrading
10-01-1993: (1) / (2) / 3 / (4/6) / (5) >
Majorstuen - Sognsvann (+6.0
km)
__-01-1995: Roabanen > Smestad - Osteras (5.6 km) closed
due to metro upgrading
07-04-1995: Kolsasbanen / Roabanen > Volvat station closed
18-05-1995: Kolsasbanen > Majorstuen - Montebello (3.3 km)
closed due to metro upgrading
20-08-1995: (2) / 4/6 > Majorstuen - Montebello (+3.3 km)
19-11-1995: 2 > Smestad - Osteras (+5.6 km)
04-01-1998: 3 > Skullerud - Mortensrud (+2.3 km)
22-08-1999: 5 > Vestgrensa station closed and Forskningsparken station
added
01-07-2003: Kolsasbanen > Bekkestua - Kolsas (5.9 km) closed
20-08-2003: 4/6 / 5 > Ulleval stadion - Storo (+3.3 km)
22-11-2004: 4/6 > Bekkestua - Kolsas (+5.9 km)
01-07-2006: 4/6 > Montebello - Kolsas (-11.3 km)
closed and temporary station Husebybakken opened
21-08-2006: 4/6 > Storo - Carl Berners plass (+1.7
km)
31-05-2008: 4/6 > Husebybakken (temporary station) station closed
18-08-2008: 4/6 > Smestad - Asjordet (+2.8 km)
reopened
14-03-2010: 1 > Majorstuen - Frognerseteren (-11.7
km) closed
17-08-2010: 4/6 > Asjordet - Bjornsletta (+0.4 km)
reopened
01-12-2010: 4/6 > Bjornsletta - Jar (+1.3 km)
reopened
06-12-2010: 1 > Majorstuen - Frognerseteren (+11.7
km) reopened
Tramways (Trikken)
Soon available
