Deutsche Bahn and HOLON launch KIRA+ for Level 4 autonomous public transport in Rhine-Main region, Germany September 29, 2026 | Europe News, News Rhein-Main-Verkehrsverbund (RMV), Deutsche Bahn, and HOLON have launched KIRA+, a project to test SAE Level 4 autonomous on-demand public transport using HOLON urban vehicles in the Rhine-Main region.... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password