the south-north backbone of the country network. It connects the border with Jordan in the south with Damascus, the capital, and continues further north to Aleppo, the country's second largest city. Its length is . M20 - Also known as Desert Highway. Runs from Tadmur to Deir ez-Zor, it also connects Al-Sukhnah. Its length is . Waterways 900 km; minimal economic importance Pipelines crude oil 1,997 km; petroleum products 3,161 km (2010) Ports and harbors Main international seaport at Latakia with additional ports at Baniyas, Jablah, and Tartus. Merchant marine total: 19 ships ( or over) totaling / ships by type: bulk carrier 4, cargo ship 14, carrier 1 (2010) Airports As of 2012, Syria had a total of 99 airports. The major airports are: Aleppo International Airport, Bassel Al-Assad International Airport, Damascus International Airport, Deir ez-Zor Airport, Kamishly Airport, and Palmyra Airport. Airports (with paved runways) total: 29 over 3,047 meters in length: 5 2,438 to 3,047 meters: 16 914 to 1,523 meters: 3 under 914 meters: 5 Airports (with unpaved runways) total: 70 1,524 to 2,437 m: 1 914 to 1,523 m: 14 under 914 m: 55 (2012) See also Syria References External links