Bus 69 runs every 7 to 8 minutes during daytime. Traveling time to ETH-Hoenggerberg is about 8 minutes. There is a great view of the City and Lake of Zurich along the Bus 69 route. You can even see the snow-covered Alps on a clear day. You should be on the side of the tram tracks further away from the ETH main building.
Tickets have to be bought before boarding since no tickets are sold on trains, trams or buses.
Ticket machines at tram stops accept only coins. During daytime, there will be very 5 minutes a tram to Milchbuck. Traveling time to Milchbuck is about 9 minutes. You will have to cross the tram tracks to get to the bus stop. Bus 69 runs every 8 minutes during daytime.