Task: to make the map even better.
The Moscow Metro map got even better.
In the fourth version the size of station names in the center was increased.
Central stations are by far the most popular which is why we decided to make them more prominent. This was done in a pretty smart way: we increased not only the text size but also line thickness and the size of station and interchange markers. This new emphasis makes the map more beautiful and convenient.
Line maps follow the same principle.