Gambia, The Transportation 2015
https://photius.com/world_fact_book_2015/gambia_the/gambia_the_transportation.html
SOURCE: 2015 CIA WORLD FACTBOOK AND OTHER SOURCES
Roadways:
total:
3,740 km
country comparison to the world: 159
paved:
711 km
unpaved:
3,029 km (2011)
[see also: Roadways country ranks ]
Waterways:
390 km (on River Gambia; small ocean-going vessels can reach 190 km) (2010)
country comparison to the world: 89
[see also: Waterways country ranks ]
NOTE: 1) The information regarding Gambia, The on this page is re-published from the 2015 World Fact Book of the United States Central Intelligence Agency. No claims are made regarding the accuracy of Gambia, The Transportation 2015 information contained here. All suggestions for corrections of any errors about Gambia, The Transportation 2015 should be addressed to the CIA.
2) The rank that you see is the CIA reported rank, which may habe the following issues:
a) They assign increasing rank number, alphabetically for countries with the same value of the ranked item, whereas we assign them the same rank.
b) The CIA sometimes assignes counterintuitive ranks. For example, it assigns unemployment rates in increasing order, whereas we rank them in decreasing order