West Coast Highway
: 西海岸大路; ) is a major arterial road
which links Jurong industrial estate and Clementi New Town to the city. It is an at-grade
road from its junction with Pandan Loop and West Coast Road to its interchange with Pasir Panjang Road, where it becomes a grade-separated viaduct
; the viaduct merges with Keppel Road before its interchange with Ayer Rajah Expressway
. The total length of the highway is 11 km. The viaduct is newer than the at-grade section, having been completed in 2006.
Despite what its name may suggest, the speed limit on the highway
is less than that of an expressway. The highway also has a traffic light junction at its intersection
with Clementi Road, something that expressways do not have. The at-grade section of the highway is a three-lane dual carriageway
, and the viaduct is a two-lane dual carriageway with a 1-metre hard shoulder
. At a length of 5 km, the viaduct is the longest in Singapore.
The Land Transport Authority
started modifying and extending the highway in the late 1990s, in response to the increased amount of traffic using it. Its intersection with Clementi Road was widened in 2000. To allow motorists to bypass intersections at Pasir Panjang Road
, LTA's plans also called for the construction of a viaduct that would provide a direct link from the highway to Keppel Road on the outskirts of... Read More