Bai Chay bridge

Bai Chay bridge is placed in NH18. It is a way linking Hon Gia and Bai Chay under Quang Ninh province
Total length of the bridge is 903m designed with 5 spans. The main span has the length of 435m. The cross section of the bridge is 25.3m serving for 4 motored vehicle lanes and 2 non-motorized vehicle lanes.

Cai Lan port

Cai Lan port is a deep watered port under Quang Ninh province which has been built to be the largest port in the Northwestern region of Vietnam.
The port can take ships of 10,000 to 50,000 tons in with 8 piers, 2 container wharfs and 2 lining ones. The loading capacity of the port is in the range of 5-8 million tons per year.

Hai Van tunnel

Hai Van tunnel is the longest road tunnel in Southeastern Asia, passing over Hai Van pass to connect Thua Thien –Hue province and Da Nang city.
Hai Van tunnel is covered with the main tunnel of 6,280m in length, 10m in width, the emergency tunnel of ,280m in length and 4.7m in width. The ventilation tunnel has the length of 1,810m, and the width of 8.2m.