Most of the road was built along the border with mainland China along the Sham Chun River.
The road spans from Man Kam To to Sha Tau Kok.
The entire length of the road fell within the Frontier Closed Area until 4 January 2016.
Currently, about 6.2 kilometres (3.9 mi) of the 13.2 kilometres (8.2 mi) long road near Lin Ma Hang and Sha Tau Kok is inaccessible.
This Hong Kong road article is a stub.