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Tugimaantee 63 (ofcl. abbr. T63), also called the Karisilla–Petseri highway (Estonian: Karisilla–Petseri maantee), is a 17.8-kilometre-long national basic road in southeastern Estonia. The highway begins at Karisilla on national road 45 and ends at the Koidula border crossing on the Russian border north of Pechory.