[quote=@Suku]
would it be possible for me to catch a slowpoke on route 1? 
[/quote]

Lemme guess...

Slowbro tank?

according to my rarity list, they are uncommon, so it would take a bit of searching, plus you would need some water, like a pound or a lake or a river of some kind for the slowpoke to be their, because usually slowpoke are just wading their tails in the water...