 However, the route from Alsos Veikou to Goudi was chosen, as it has the benefit of being the one passing from the densely populated areas of central Athens, like Galatsi, Exarheia, Kolonaki, Kaisariani and Zografou.In the long future, it will be extended further north to Ethniki Odos and to other important suburbs of Athens, like Marousi.The proposed route for the first phase of Line 4 is