The project has proved too costly and unattractive to investors.
The multipurpose dam project is currently 89% complete.
LVSR technology cuts road construction costs by more than 60%.
The African Development Bank says the project risks time and cost overruns.
State requires Sh700 billion to complete ongoing road projects.
The proposed expressway will be built on a PPP model.
The 2,377-km railway project remains without a confirmed start date.
The first 100 kilometres of pipes have arrived in Dar es Salaam.
Phase one of the project is set to be complete by the end of 2024.
China Jiangxi is demanding Sh846.5m before resuming excavation works.