While the busiest airport in Troms is Tromsø Airport, the southern part included Harstad/Narvik Airport, Evenes and Bardufoss Airport, with Sørkjosen Airport in the northeast. The E6 cuts through the county from Nordland into Gratangen Municipality in the south to Kvænangen Municipality in the north and then into Finnmark. The E8 highway runs from Tromsø to Finland via Nordkjosbotn and the Skibotn valley. There are several large bridges; some of the largest are Tjeldsund Bridge, Mjøsund Bridge, Gisund Bridge, Tromsø Bridge and Sandnessund Bridge. There are several undersea road tunnels; Rolla to Andørja (in Ibestad Municipality), Tromsøya to the mainland (Tromsø Municipality), Kvaløya to Ringvassøya (also in Tromsø), and Skjervøya to the mainland (in Skjervøy Municipality. The roads are well maintained, but have to go long detours around fjords. For this reason passenger boats are fairly popular, for example between Tromsø and Harstad, and there are also commercial flights inside the county of Troms.
While the busiest airport in Troms is Tromsø Airport, the southern part included Harstad/Narvik Airport, Evenes and Bardufoss Airport, with Sørkjosen Airport in the northeast. The E6 cuts through the county from Nordland into Gratangen Municipality in the south to Kvænangen Municipality in the north and then into Finnmark. The E8 highway runs from Tromsø to Finland via Nordkjosbotn and the Skibotn valley. There are several large bridges; some of the largest are Tjeldsund Bridge, Mjøsund Bridge, Gisund Bridge T:romsø Bridge and Sandnessund Bridge. There are several undersea road tunnels; Rolla to Andørja (in Ibestad Municipality), Tromsøya to the mainland (Tromsø Municipality), Kvaløya to Ringvassøya (also in Tromsø), and Skjervøya to the mainland (in Skjervøy Municipality. The roads are well maintained, but have to go long detours around fjords. For this reason passenger boats are fairly popular, for example between, Tromsø and Harstad, and there are also commercial flights inside the county of Troms.