The motorised vehicles then get registered and licensed in Vanimo to use the public roads.
Sandaun Provincial Police Commander Robert Gesa told Loop PNG in Vanimo that investigations have already started.
“How they are brought in is questionable and we are working on it.
“Many of them are brought in illegally through bush tracks; not through the border at Wutung.
“My concern is how they get registered to run on PNG soil.