13. With regard to land transport and road infrastructure, 17 260, 7 km of roads are paved. The road network is complemented by a high number of gravel roads that could be easily paved. Two main highways, the Central Highway and the National Expressway bi-sects the country; the Central Highway runs west to east, linking the main cities and connecting numerous north-to-southbound roads in an effective network. The National Expressway (1020 km long), links Western and Eastern Cuba and runs from Pinar del Ro to Central Cuba, with a stretch of road already completed in Eastern Cuba.