ADB3 project – Improvement of National Highway No1A, Quang Ngai – Nha Trang section
+ Investor: Project Management Unit 1 
The project of Improving and Upgrading the National Highway No.1A, the section of Quang Ngai-Nha Trang is implemented by CIENCO 5 and joint-venture contractors. The road length is about 400 km including 4 contract packages as follows:  

1. ADB3-1: (constructed by the Joint-venture of Kukdong -Korea and Cienco5)
 Distance: Km1045-Km1125 (80km long)
 - Contract value: 210 billion VNDs
-  Contract value when completed: 252 billion VNDs                                  

2. ADB3-2:(Constructed by the joint-venture of Cienco5- Thanh An)
 Distance: Km11125-Km1243 (118 km long)
 - Contract value: 201,9 billion VNDs
- Contract value when completed:  333 billion VNDs

3.  ADB3-3:(Constructed by the joint-venture of Kukdong-Korea and Cienco5)
 Distance: Km1243-Km1366+600 (123.6km long)
 - Contract value                : 252 billion VNDs
- Contract value when completed: 366  billion VNDs

4. ADB3-4:(Constructed by the joint-venture of Cienco6-Cienco5)
Distance: Km1366+600-Km1445+00 (78 km long)
 - Contract value: 171 billion VNDs
 + Contract value when completed: 249 billion VNDs