The T8 is a Trunk road in Tanzania. The road runs from Mbeya through Tabora, ending just outside the city of Mwanza in Kisesa. The roads as it is approximately . The road is partially paved, with the biggest unpaved section being from Chunya to Tabora.
Between the streach from Nzega to Tinde, the T3 trunk road shares its designation with T8 trunk road.