NPA designates 17 truck parks for seaport E-call-up system NPA designates 17 truck parks for seaport E-call-up system Share The Nigerian Ports Authority (NPA) has designated 17 truck parks with a capacity to contain over 3,500 trucks for the haulage of various kinds of cargoes under its electronic call-up system also referred to as Eto. In a statement issued in Lagos at the weekend by the Assistant General Manager, Corporate and Strategic Communications of the NPA, Ibrahim Nasiru, the agency stated that although Eto experienced teething problems as would be expected of innovations of its nature, the Authority was pleased that these issues were being tackled as they arise adding that steady progress was being made in the process.