Groupe ADP beat intense competition with several multinationals to clinch the deal.
China Wu Yi is expected to complete the 49km road in 24 months.
Turkish Holding AS says it has identified five priority areas in Ethiopia's manufacturing sector.
The government is committed to delivering 500,000 low cost homes by 2022.
The Soubre hydroelectric power station has an installed capacity of 275MW.
In February, Yapi Merkezi and Mota-Engil Africa were hired for the project.
The signing of the deal will enable the contractor to kick off works by January next year.
The re-introduction of toll stations is, however, likely to face huge legal encounters.
Kenya has recently embarked on projects aimed at opening up the northern corridor.
Bechtel has been picked to build the Mombasa-Nairobi Expressway.
Developers will be allowed to build up to 75 floors in high-density areas.
The much-awaited summit will take place on June 12-13, 2025.
All development applications will now require residents' approval.