 The extra-settlement roads consisted of almost 40 roads, of which 28 were located in the west.The western extremity of the extra-settlement roads area was the western end of Hung Jao Road (虹桥路), which was 10 kilometres west of the western districts of the Shanghai International Settlement (near Jing'an Temple).The entire extra-settlement roads area consisted of 31 square kilometres, which made it larger than the concession proper (at 22 square kilometres).