Lahti

Lahti has a good system of public transport. You can ride from one part of the city to another with a single ticket of 3.20€, kids 1.60€. Kauppatori is the center of Lahti's public transport system, but be aware that many bus lines go in both directions from Kauppatori. You can use interactive route planner (http://lahti.matkahuolto....) to find bus routes.

Interactive map of Lahti (http://kartta.lahti.fi/)