Ключевые слова: administrative, barrier, biometric, border, boundary, bulgaria, car, cars, checkpoint, control, country, covid pass, crossing, custom, customs, customs clearance, delivery, digital, documents, driver, entry, europe, european, freedom, giurgiu, green pass, guard, immigrant, immigrants, immigration, land, logistics, map, outdoor, passenger, passport, police, refugees, romania, schengen, secure, security, shipment, state, stop, technology, traffic, travel, zone,