西南行 meaning in Chinese

shi nan hong

From nt through tate s cairn tunnel south - westward
由新界经大老山隧道西南行
Leighton road may be closed ; westbound traffic from causeway road will then be re - routed via irving street and eastbound traffic from morrison hill road will then be diverted via canal road west ; canal road east southbound left turn onto leighton road will be banned ; and
（５）如礼顿道须要封闭，沿高士威道西行行驶的车辆要改行伊荣街，而沿摩利臣山道东行行驶的车辆则要改行坚拿道西；沿坚拿道西南行的车辆不可左转入礼顿道；