Beyond the border, on the other side of the border.(adjective)
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Use "transborder" in a sentence
"Chile and Argentina have agreed to tax profits on the gold and silver from Pascua Lama depending on what side of the border it comes from, but they are still discussing how to tax what they call transborder services, or services rendered by individual companies on either side of the border."
"Only one year later, other European colonial powers were considering the idea of transborder conservation — but interestingly enough, not in Europe."
"Friends of the Earth Middle East FOEME, an environmental organization based in Amman, Bethlehem, and Tel Aviv proposes to transform the relationship of Israelis, Palestinians and Jordanians, as well as Christian pilgrims, archeology buffs, and eco-tourists, to the Jordan River by creating a transborder peace park."