Felixstowe South Reconfiguration The Port of Felixstowe plans to reconfigure the southern part of the Port to provide urgently needed additional deep-water container handling capacity. Felixstowe Branch Line Various capacity enhancements will be required to the Felixstowe Branch Line and Ipswich marshalling yard to support the Felixstowe South Reconfiguration project. The project incorporates plans for a third rail terminal at the Port of Felixstowe to enable the opportunities to move freight via the rail network to be maximised.