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Border checkpoint

A border checkpoint is a place, generally between two countries, where travellers or goods are inspected. Authorization often is required to enter a country through its borders. Access-controlled borders often have a limited number of checkpoints where they can be crossed without legal sanctions. Arrangements may be formed to allow or mandate less restrained crossings (e.g. Schengen Agreement). Land border checkpoints (land ports of entry) can be contrasted with the customs and immigration facilities at seaports, international airports, and other ports of entry. Checkpoints generally serve two purposes: (1) To prevent entrance of individuals who are either undesirable (e.g., criminals or others who pose threats) or are simply unauthorized to enter. (2) To prevent entrance of goods that are illegal, subject to restriction or to collect tariffs. Checkpoints are usually manned by a uniformed service (sometimes referred to as customs service or border Patrol Agents). [Border checkpoint. Wikipedia]
Border checkpoint
Border checkpoint, border, border point,