Zurich today presented the development of public transport up to 2050. Massive investments totalling billions are planned. Basically, they want to create a ring system with the trams. You can see these plans here. First the orange, then the brown and then the blue. The pink one comes as a supplement in between about.
In addition, trolleybus operations and IMC operations are also being massively! expanded. More information is on the website www.vbz2040.ch .