The Deo Ca Tunnel is 3,900 m long (with the entire project spanning 13,400 m), crossing Deo Ca Pass and connecting Phu Yen and Khanh Hoa.
Construction began on November 18, 2012, with completion expected in 2016.
The total investment is approximately VND 15,600 billion, with the 3,900 m tunnel section valued at VND 10,500 billion under the BOT model.
The project investor is Deo Ca Investment Joint Stock Company.