Transport in the Gambia excellent condition. The Gambia River not only provides important internal transport but is also an international commercial link. Oceangoing vessels can travel 240 km upstream. In 2004 there were 390 km of total waterways. Banjul, the principal port, receives about 300 ships annually. Ferries operate across the river and between Banjul and Barra. With the construction of major all-weather roads on both sides of the Gambia River, the waterway has become less significant for passenger traffic. Waterways: 390 km (small ocean-going vessels can reach 190 km) (2008) <br>"country comparison to the world:" 90 Ports and harbours: Banjul, Gambia Ports Authority
Banjul and a relatively short wet season covering the remaining four months. However, during those four months, Banjul tends to see heavy precipitation. August is usually the rainiest month, with on average 500 mm of precipitation falling. Temperatures are somewhat constant, though it tends to be slightly cooler during the wet season than the dry season. According to a Gambian government minister, Banjul is at risk of submerging under water by a metre rise in sea levels as a result of climate change and global warming. The primary method reaching the city by land is by roadway. A highway connects Banjul