The Mtwara–Mbamba Bay Road, also called the A19 Road, connects the city of Mtwara on the Indian Ocean coast, to the town of Mbamba Bay on the eastern coast of Lake Malawi.

It is a busy and important transport corridor in the southern regions of Tanzania.

It is also an integral part of the Mtwara Development Corridor that spans four Southern African countries; Malawi, Mozambique, Tanzania and Zambia.

[4] As of 2019, the section of this road from Mtwara to Mbinga, in  Ruvuma Region, was already sealed with bitumen.

In April 2019, John Pombe Magufuli, the President of Tanzania, officially flagged off the beginning of the upgrade of the 67 kilometres (42 mi) section between Mbinga and Mbanda Bay.