In addition, another important change was the destruction, in 1868, of a part of the walls to create a customs barrier, called Porta Nuova or barrier Margherita (in honor of Princess Margaret of Savoy), which was necessitated by a new road that ran along a stretch of the walls and was connected to Corso Garibaldi.
Selain itu, perubahan penting lainnya adalah penghancuran sebagian tembok kota pada tahun 1868 untuk membuat suatu gerbang yang disebut Porta Nuova atau gerbang Margherita (untuk menghormati Putri Margherita dari Savoy), yang diperlukan karena adanya jalan baru menyusur sepanjang bentangan tembok dan terhubung ke Corso Garibaldi.