Pakistan's motorways are an important part of Pakistan's "National Trade Corridor Project", which aims to link Pakistan's three Arabian Sea ports (Karachi Port, Port Bin Qasim and Gwadar Port) to the rest of the country through its national highways and motorways network and further north with Afghanistan, Central Asia and China. The project was planned in 1990. The China Pakistan Economic Corridor project aims to link Gwadar Port and Kashgar (China) using Pakistani motorways, national highways, and expressways.