The T Zen is a high level bus service that operates in a similar way to that of a tram line, even though it is still a bus, and looking rather futuristic compared to the look of a conventional bus, this service operates in the Ile-de-France and Paris region.
Here you can see a map showing the 14 stops for the T Zen 1 line that travels between Lieusaint-Moissy Gare and Corbeil-Essonnes Gare on a route of just over 15km with over 9 of those being on their own dedicated lanes, making the entire trip a time of approximately 30 minutes with stops at key points like a university.