Rare M2B metro service due to a malfunction in a HKL Class M100 metro train. (HKL 137-138 & 111-112)

Line: M2B from Mellunmäki to Itäkeskus.
Recorded between Myllypuro and Itäkeskus.
Refurbished Valmet Strömberg M100s.

[@sadiyehmashala2073]

1:22 itakeskus paateasema
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