Cute bus driver...how do I approach?

The bus driver on my usual route is so damn cute and very nice! I asked him directions and he was very helpful and we talk sometimes when I get on the bus. Usually when I get on he'll smile and say "how are ya :)" like he remembers me. But I don't even know his name. How should I go about getting to know him without coming off creepy and he is on the job so I know he has to be careful as well. Suggestions?
Cute bus driver...how do I approach?
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