N4 road (Senegal) need to be nearly 1000 metres long with 500 metres long access roads through the riverside swamps. An alternative (smaller) route is the N5 via Bignona and Banjul, crossing the Gambia river by ferry at Banjul and rejoining the N4 just south of Kaolack. N4 road (Senegal) The N4 road is the Trans-Gambia Highway extension in Senegal, which is the main connection between the Casamance area in the south and the capital Dakar. The road runs north from Ziguinchor in Casamance to Bignona, crossing the Casamance River. It runs north-east to Bounkiling and then north to traverse the country of
Plymouth-Banjul Challenge into a Welsh Ambulance and two Canadians who bought a manual car in France and spent the next few weeks learning to drive it. Since 2007, the rally also has a group of cars continuing on to Bamako, Mali. The 2009/2010 Banjul Challenge was called off by its organiser Julian Nowill due to Mauritanian security concerns (French tourist murders and Spanish aid workers kidnappings), but two teams from group 1 and three teams from group 3 pushed on regardless. Team midlifecrises (Paul James Gadsdon and Steph Copson) and team homesick (Chris Freestone) from group 1 made it all the way