A day pass for zone 10 valid for 24 hours costs about 8.20CHF (half-fare around 6.20CHF), a single ticket valid for 1 hour is about 4.10CHF. Children under 6 travel for free, 6 - 16 year-olds pay the so-called half-fare. Short distance tickets for up to 6 stops within half an hour are 2.50 (no half-fare).