It's the 1890s and as you can see in the photo below, one's social standing dictated where one relieved oneself in public places.
Ladies had a choice between the Ladies First Class Restroom and the Third Class Restroom (look to the left and you'll spot the signs.
But can you guess which train station this is? It's in Ireland...
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It's clearly a big town as there are at least six platforms - at least back then.
The curve might be a dead giveaway for some people, even if the adverts and signs may have changed immeasurably since then.
Follow the tracks all the way down for your answer!