Transport in Jersey is primarily through the motor vehicle. The island, which is the largest of the Channel Islands has 124,737 registered vehicles (2016). The island is committed to combatting climate change, having declared a climate emergency, and policy is focused on reducing dependence on the car. The island has a cycle network and bus service. The primary modes of transport for leaving the island are by air or sea.

Saint Helier Harbour is the main harbour on the Channel Island of Jersey. It is on the south coast of the island, occupying most of the coast of the main town of St Helier. It is operated by Ports of Jersey, a company wholly owned by the Government of Jersey.