Add disused: -prefix to unused subway platform in Hakaniemi.
Split subway platform in Sörnäinen.
Add refs and stop_positions to Kalasatama subway platforms.
Split subway platform in Kulosaari.
Split subway platform in Herttoniemi.
Split subway platform in Siilitie.
Split subway platform in Myllypuro, other small fixes.
Split subway platform in Kontula, other small fixes.
Split subway platform in Mellunmäki, fix M2 platforms and stops in Mellunmäki and Itäkeskus.
Extend subway route M1 to Matinkylä. Fix route members when necessary.
Add Lauttasaari to subway route M2 to Mellunmäki.
Split Lauttasaari subway platform to get correct ref-tags. Add it to route M2.
Fix addr:staircase -> addr:unit
Split Ruoholahti subway platform to get correct ref-tags.
Split platforms in Länsimetro to get correct ref-tags.
Extend HSL subway route M2 from Tapiola to Ruoholahti. Fix tags and members to PTv2 when possible.
Fix source tags and JOSM warnings on Länsimetro tracks.
Extend HSL subway route M2 from Mellunmäki to Tapiola. Fix tags and members to PTv2 when possible.
Add also bus stop E3301 to Vähä-Henttaa stop. Fix HSL bus route 133 to use it.
Rename Kerava route 5 to HSL route 975, change to PTv2, fix connectivity.