As regards developments in the United States, according to the United States Customs and Border Protection (CBP), more than 11 million maritime containers arrive at United States seaports each year. At land borders, another 11 million arrive by
truck and 2.7 million by rail.73 Programmes such as the CSI and the Customs–Trade Partnership against Terrorism (C–TPAT), in which representatives of the trade community participate, help to increase the security of trade along supply chains.