Benin Belgium (198) and Germany (156). Transport in Benin includes road, rail, water and air transportation. Benin possesses a total of 6,787 km of highway, of which 1,357 km are paved. Of the paved highways in the country, there are 10 expressways. This leaves 5,430 km of unpaved road. The Trans-West African Coastal Highway crosses Benin, connecting it to Nigeria to the east, and Togo, Ghana and Ivory Coast to the west. When construction in Liberia and Sierra Leone is finished, the highway will continue west to seven other Economic Community of West African States (ECOWAS) nations. A paved highway also
Benin standard of measurement for the 10% target. Benin has the third-highest publication intensity for scientific journals in West Africa, according to Thomson Reuters' Web of Science, Science Citation Index Expanded. There were 25.5 scientific articles per million inhabitants cataloged in this database in 2014. This compares with 65.0 for the Gambia, 49.6 for Cape Verde, 23.2 for Senegal and 21.9 for Ghana. The volume of publications in this database tripled in Benin between 2005 and 2014 from 86 to 270. Between 2008 and 2014, Benin's main scientific collaborators were based in France (529 articles), United States (261), United Kingdom (254),