Yes, public transportation is included during official winter season dates. Early opening dates from October until mid of November are not included.
Rhaetian Railway*
Rhätische Bahn RhB 2nd-class (Küblis - Filisur), is valid only for transportation (one-way and return) from and to the base-stations of Davos Klosters Mountains for skiers, snowboarders or sledge riders carrying their skis, snowboards or sledging equipment..
Local bus*
Winter sport passes, issued by DKM, are valid on local buses during the winter season as follows:
VBD = Local bus network Davos excluding side valleys accepts a valid ticket or season ticket also for professional and leisure travel.
OKS = Local bus network Klosters-Serneus only valid for round trip to the valley stations of DKM in connection with their use as skier or snowboarder or sledder in ski, snowboard or sledging equipment.
*Day, morning or half day tickets can be used on public transportation on the valid day until 7.00 pm.
On public transport 1-day and half-day passes are only valid until 19:00, and morning cards only until 13:00.