Provincial Highway No. 61, usually known as the West Coast Expressway (西部濱海快速公路), is a highway that runs along the west coast of Taiwan. Several sections of the highway are freeway standards with no at-grade intersections, while the rest are local highway standards. There are several sections open for traffic. Others are still under construction.

Major cities along the route

Exit list

Intersections with other freeways and expressways

Auxiliary routes

Provincial Highway 61A

Provincial Highway No. 61A started at the Port of Taipei and ended at an interchange with Provincial Highway 15. It connected PH 61 to the Port of Taipei. It was 2.888 km long. PH 61A was defunct and merged into PH 61 on June 29, 2020. Exit list The entire route was in Bali, New Taipei City. {| class="plainrowheaders wikitable" !scope=col|km !scope=col|Mile !scope=col|Exit !scope=col|Name !scope=col|Destinations !scope=col|Notes !scope="row" style="text-align: right;"|0.000 !scope="row" style="text-align: right;"|0.000 !scope="row" style="text-align: right;"|2.888 !scope="row" style="text-align: right;"|1.795 !scope="row" style="text-align: right;"|2.888 !scope="row" style="text-align: right;"|1.795

Provincial Highway 61B

Provincial Highway No. 61B (Changhua Coastal Industrial Park - Hemei IC.) is one of two branch lines of Provincial Highway No. 61. It starts at Shengang Township and ends at National Highway No. 3 Hemei Interchange, Changhua County, which connects National Highway No. 3 and Provincial Highway No. 61. Its length is 6.355 km (3.949 mi). Before 2011, the route was part of Provincial Highway No. 74.

Dual use

The Highway has been constructed in such a way that it can be used as a defensive line in the event of a Chinese invasion.