Sorry if this has been covered recently, but I have a poor data connection which makes searching tedious. I am visiting Amsterdam and got the 96 hour gvb card. I only used the trams the 1st day, but thought it was good on buses as well. I tried to board the 170 bus today near the Anne Frank House and was told I couldn't use my card on the bus? How can I tell which buses I can use with the GVB card? Or is it just for the trams? What about Metro stations? Thanks.