Welcome to the Waltti Developers’ Portal!
Information about LMJ
TVV lippu- ja maksujärjestelmä Oy (LMJ) is an IT services and procurement company jointly owned by 20 urban regions and the Helsinki Regional Transport Authority (HSL). LMJ’s main task is to provide high-quality and cost-efficient services relating to the organisation of public transport.
Waltti – what is Waltti?
Waltti is a nationwide public transport ticketing system, currently already in operation in many urban areas. Waltti is based on zoned pricing and similar ticket products in different urban areas.