 Certain car parks, such as the Waterfront, Sand Street and Ports of Jersey Car Parks use automatic number plate recognition or ticket technology with a pay upon exit system.There are four main residents’ and business parking zones within St Helier.In some roads on the outskirts of St Helier and in the harbours, and also in some car parks in St Brelade, parking is free but controlled by parking discs (time wheels) – obtainable from the Town Hall for a small charge.