The dual three-lane expressway will span Deep Bay, linking Ngau Hom Shek in Hong Kong and Shekou in Shenzhen. The Hong Kong section will run for 3.2km, while the remaining 1.8km will be built by the Shenzhen government.

The focal point will be a cable-stayed bridge, with the towers inclined towards each other to symbolise the relationship between the two regions.

A ceremony will be held this week to mark the start of work.