(This is one of a weekly series of posts entitled “Highway Feature of the Week”. The complete collection of Highway Features of the Week is available on a single page, or via a special RSS feed.)
Even though Hong Kong has been returned to China for over a decade now, the autonomy granted to the Hong Kong S.A.R. means that the border between mainland China and the former British Colony still functions like an international border. Consider, for example the Lok Ma Chau ( 落馬洲) border crossing:
![[Please visit my site to see the map that would otherwise be embedded here]](http://www.triskele.com/images/map.gif)
To the right is the road crossing, used primarily by trucks, coming in the form of a high bridge across the Shenzhen River. The north end of a bridge features an impressive ramp structure that not only helps achieve the necessary elevation, but also facilitates the switchover of traffic from left-hand-drive in Hong Kong to right-hand-drive in mainland China.
To the left is a double-decked pedestrian bridge, housing immigration checks for pedestrians crossing the river between train stations on both sides of the river.