European route E18 is the main road and a highway, it goes through Oddernes from the neighbor municipality and county Lillesand, Aust-Agder. E18 goes past the zoo and Sørlandsparken, then between Hånes and Søm before exiting the borough on the bridge Varoddbrua to Lund. Norwegian National Road 41 comes from Birkenes municipality and enters Kristiansand north in Tveit. The road also connects to the airport and ends with E18 at Timenes. County road 401 goes from E18 at Rona and through Søm and Randesund before exiting Kristiansand to Høvåg in Lillesand. In Lillesand County road 401 meets the County road 420 witch stars with Sørlandsparken in Kristiansand and ends in Arendal, Aust-Agder. County road 420 used to be the old E18 before the new one opened in 2009.