Berlin is larger (892km^2 vs 783km^2) and less population dense (6 million vs 20 million in the metro areas). So... Kinda comparing apples to oranges.

Edit: If you want a real comparison, look at Philadelphia or Chicago. Those are a little closer to Berlin than fucking NYC. But, I guess it's our turn to start a World War this time, so maybe after NYC gets razed we can rebuild like they did with Berlin and focus on modernizing traffic patterns for mass transit.