Introducing the...𝙍𝙝𝙚𝙞𝙣-𝙍𝙪𝙝𝙧 𝙋𝙪𝙗𝙡𝙞𝙘 𝙏𝙧𝙖𝙣𝙨. 𝘾𝙝𝙖𝙡𝙡𝙚𝙣𝙜𝙚A challenge to use only local ÖPNV (aka. Public trans.) to traverse the Rhein-Ruhr metropolitan region!Rules:1. You must travel between Dortmund and Köln, either direction is fine. Any reasonable routing is allowed. Extension beyond Köln and Dortmund is allowed2. You may use the following modes: buses, trams, Stadtbahnen, trolleybuses, or Schwebebahn 3. Prohibited modes during the challenge : Bahn, Regional trans., Fernverkehr, u.a.4. Logpflicht: You must log your challenge, z.B. on Fedi, Träwelling, or Travelynx#RheinRuhrPublicTransChallenge