The T1 is a Trunk road in Tanzania. The road runs from the intersection of Morogoro Road/Bibi Titi Mohamed St in Dar es Salaam all the way to Zambia<nowiki/>n border at Tunduma. The route is approximately . The T1 in its entirety forms the Tanzanian part of the Tanzam Highway. The road is a major road artery between Dar es Salaam and the cities in the Southern Highlands of Tanzania. The road is entirely paved.