I think it's the certain style and design liberties subway style maps use. For comparison, look at the general sizing or shape of Central Park in NYC subway map

I think it's the certain style and design liberties subway style maps use. For comparison, look at the general sizing or shape of Central Park in NYC subway maps [0]. [0] https://new.mta.info/map/5256 https://new.mta.info/map/5256