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Provincial Highway 61
台61線
West Coast Expressway
Route information
Maintained by Directorate General of Highways
Length	301.834 km (187.551 mi) (completed)
Existed	July 1991–present
Major junctions
North end	Prov 2B in Tamsui, New Taipei City (planned)[1] Prov 64 in Bali, New Taipei City
South end	Cty 173 in Qigu, Tainan City Taijiang Blvd in Annan, Tainan City (planned)
Location
Country	Taiwan
Highway system
Highway system in Taiwan

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.

• New Taipei
• Taoyuan
• Hsinchu
• Taichung
• Tainan

County	Location	km[2]	mi	Exit	Name	Destinations	Notes
New Taipei	Tamsui	0.0	0.0	0	Tamsui Top (淡水端)	Prov 2B – Shalun, Tamsui	Under construction
	Bali	2	1.2	2	Bali 1 (八里一)	Zhongxiao Road-Shisanhang, Bali	Temporary northern terminus of highway
		4	2.5	4	Bali 2 (八里二)	Prov 64 – Port of Taipei, Xindian	Northbound exit and southbound entrance to PH 64 on construction
		6.0	3.7	6	Bali 3 (八里三)	Prov 15 – Bali
	Linkou	16.0	9.9	16	Linkou (林口)	Cty 106 – Linkou
Taoyuan	Luzhu	19.0	11.8	19	Luzhu (蘆竹)	Prov 15 – Haihu Village, Luzhu
	Dayuan	28.2	17.5	28	Zhuwei (竹圍)	Prov 15A – Zhuwei Village, Dayuan	Southbound exit and northbound entrance
		30.2	18.8	30	Shalun (沙崙)	Prov 15A – Shalun Village, Dayuan	Northbound exit and southbound entrance
		34.9	21.7	34	Dayuan (大園)	Taoyuan Road 121, Cty 110 – Dayuan→Taoyuan International Airport
	Guanyin	40.6	25.2	40	Caota (草漯)	Taoyuan Road 35,Taoyuan Road 32-Guanyin→Guanyin Industrial Dist.
		44.1	27.4	44	Taoyuan Science Park (桃科)	Taoke 9th Road-Taoyuan Science Park	Southbound exit and northbound entrance
		48.7	30.3	48	Guanyin (觀音)	Prov 66 – Guanyin, Daxi
	Xinwu	54.4	33.8	54	Yong'an (永安)	Cty 114 – Yong'an Village, Xinwu→Yong'an Harbor
Hsinchu	Xinfeng	63.9	39.7	63	Xinfeng 1 (新豐一)	Hsinchu Road 1-Hongmaogang, Xinfeng
		66.2	41.1	66	Xinfeng 2 (新豐二)	Prov 15 – Xinfeng	Northbound exit and southbound entrance
	Zhubei				Fenggang (鳳岡)	Hsinchu Road 4-Fenggang Village, Zhubei	Planned interchange
Hsinchu City	North District				Nanliao（南寮）	Prov 68 – Nanliao, Zhudong	Planned interchange
	Xiangshan				Gangnan（港南）	Prov 15 – Nanliao	Planned interchange
Miaoli	Zhunan	90.4	56.2	90	West Coast (西濱)	Nat 3 – Zhunan, Xiangshan	Northbound exit and southbound entrance
	Houlong	102.9	63.9	102	Xizhou (溪洲)	Cty 126 – Shuiweizi, Houlong
		103.7	64.4	103		Prov 72 – Houlong, Shitan	Planned interchange
		105.3	65.4	105	Houlong (後龍)	Prov 6 / Cty 119 – Gongsiliao, Houlong, Miaoli City
		109.3	67.9	109	Chituqi (赤土崎)	Miaoli Road 33-Zhonghe Village, Houlong
	Tongxiao	111.8	69.5	111	Baishatun (白沙屯)	Prov 1 – Tongxiao, Xihu→Baishatun
		115.0	71.5	115	Xinpu (新埔)	Prov 1 – Xinpu Village, Tongxiao
		121.3	75.4	121	Tongxiao 1 (通霄一)	Prov 1 – Tongwan Village, Tongxiao
		122.3	76.0	122	Tongxiao 2 (通霄二)	Cty 121 / Cty 128 – Tongxiao	Southbound exit and northbound entrance
	Yuanli	127.0	78.9	127	Yuanli (苑裡)	Miaoli Road 40-Yuangang Village, Yuanli	Southbound exit and northbound entrance
		130.4	81.0	130	Fangli (房裡)	Cty 140 – Fangli Village, Yuanli, Sanyi	Southbound exit and northbound entrance
Taichung	Dajia	134.0	83.3	134	Dajia (大甲)	Taichung Road 3-Jianxing Village, Dajia	Northbound exit and southbound entrance
	Daan	136.9	85.1	136	Fuzhu (福住)	Dongxi 4th Road-Fuzhu Village, Daan	Southbound exit and northbound entrance
		139.1	86.4	139	Daan 1 (大安一)	Taichung Road 16, Cty 132 – Haiqian Village, Daan, Dajia
		144.0	89.5	144	Daan 2 (大安二)	Taichung Road 17-Nanpu Village, Daan	Northbound exit and southbound entrance
	Qingshui	150.0	93.2	150	Qingshui (清水)	Prov 17 / Prov 10 – Qingshui, Shalu→Gaomei Wetland
	Wuqi	154.1	95.8	154	Wuqi (梧棲)	Prov 12 – Wuqi→Taichung Port
	Longjing	157.6	97.9	157	Longjing (龍井)	Cty 136 – Longjing, Dadu→Taichung Port
Changhua	Shengang	166.1	103.2	166	Shengang (伸港)	Prov 61B – Shengang, Hemei
	Xianxi	169.9	105.6	169	Xianxi (線西)	Cty 138 – Xianxi→Changhua Coastal Industrial Dist.
	Lukang	174.8	108.6	174	Yangcuo (洋厝)	Binhai Road-Lukang
		177.8	110.5	177	Lukang (鹿港)	Lugong Road-Lukang→Changhua Coastal Industrial Dist.
	Fuxing	180.0	111.8	180	Fuxing（福興）	Cty 144 – Fuxing, Puyan
	Fangyuan	185.0	115.0	185	Hanbao（漢寶）	Prov 17 – Hanbao Village, Fangyuan
		192.3	119.5	192	Wanggong（王功）	Prov 17 – Wanggong Village, Fangyuan→Wanggong Harbor
		197.1	122.5	197	Fangyuan（芳苑）	Prov 17 – Yongxing Village, Fangyuan
	Dacheng	208.4	129.5	208	Dacheng（大城）	Cty 152 – Dacheng, Zhutang
Yunlin	Mailiao	216.4	134.5	216	Qiaotou（橋頭）	Yunlin Special Road 1, Prov 17 / Cty 153A – Qiaotou Village, Mailiao
		221.0	137.3	221	Mailiao（麥寮）	Cty 156 / Cty 153A – Wayao Village, Mailiao
	Taixi	224.9	139.7	224	Huzinei（湖仔內）	Prov 17 – Hefeng Village, Taixi
		226.7	140.9	226	Lunfeng（崙豐）	Yunlin Road 116, Prov 17 – Hefeng Village, Taixi	Southbound exit and northbound entrance
		229.6	142.7	229	Wutiaogang（五條港）	Prov 17 / Cty 155 – Wugang Village, Taixi
		233.4	145.0	233	Taixi（台西）	Prov 78 – Taixi, Gukeng
	Sihu	238.7	148.3	238	Sihu（四湖）	Prov 17 / Cty 160 – Feisha Village, Sihu
	Kouhu	247.0	153.5	247	Kouhu（口湖）	Prov 17 / Cty 164 – Jinhu Village, Kouhu
		246	153	Kouhu Rest Area
		253.0	157.2	253	Shuijing（水井）	Yunlin Road 150, Prov 17 – Shuijing Village, Kouhu
Chiayi	Dongshi	259.5	161.2	259	Aogu（鰲鼓）	Chiayi Road 8-Aogu Village, Dongshi→Aogu Wetland	Southbound exit and northbound entrance
		261.8	162.7	261	Dongshi 1（東石一）	Cty 166 – Sanjia Village, Dongshi	Southbound exit and northbound entrance
		262.8	163.3	262	Dongshi 2（東石二）	Prov 82 / Cty 168 – Yongtun Village, Dongshi, Shuishang	Northbound exit and southbound entrance
		266.0	165.3	266	Baishuihu（白水湖）	Chiayi Road 18-Zhangtan Village, Dongshi
	Budai	270.2	167.9	270	Budai 1（布袋一）	Prov 17 – Longjiang Village, Budai→Budai Harbor
		272.3	169.2	272	Budai 2（布袋二）	Prov 17 / Cty 172 – Guangfu Village, Budai
Tainan	Beimen	281.0	174.6	281	Nankunshen（南鯤鯓）	Prov 17 – Kunjiang Village, Beimen	Southbound exit and northbound entrance
		283.7	176.3	283	Beimen（北門）	Prov 84 / Prov 17 – Baoji Village, Beimen, Yujing
		289.1	179.6	289	Sanliaowan（三寮灣）	Cty 174 / Cty 173A – Sanguang Village, Beimen
	Jiangjun	292.0	181.4	292	Jiangjun（將軍）	Tainan Road 25-1-Changsha Village, Jiangjun→Mashagou
	Qigu	298.7	185.6	298	Qigu（七股）	Cty 176 – Yancheng Village, Qigu→Qigu Lagoon,Qigu Salt Mountain
		305.7	190.0	305	Shifen（十份）	Cty 173 – Shifen Village, Qigu→Taijiang National Park	Temporary southern terminus of expressway
	Annan	308.4	191.6	308	Qingcaolun (青草崙)	Prov 17B – Taijiang Blvd, Annan	Under construction
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Incomplete access       Unopened

• Provincial Highway 64 at Exit 4 (Bali 2) in Bali, New Taipei
• Provincial Highway 66 at Exit 48 (Guanyin) in Guanyin, Taoyuan
• Freeway 3 at Exit 90 (West Coast) in Zhunan, Miaoli
• Provincial Highway 78 at Exit 233 (Taixi Junction) in Taixi, Yunlin
• Provincial Highway 82 at Exit 262 (Dongshi 2) in Dongshi, Chiayi
• Provincial Highway 84 at Exit 283 (Beimen Junction) in Beimen, Tainan

Provincial Highway 61A (defunct)
Location	Bali, New Taipei
Length	2.888 km[2] (1.795 mi)
Existed	7 August 2007–29 June 2020
History	Absorbed into Prov 61

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 kilometres (1.795 mi) long.

PH 61A was defunct and merged into PH 61 on June 29, 2020.^[1]

Exit list
The entire route was in Bali, New Taipei City.

km[2]	Mile	Exit	Name	Destinations	Notes
0.000	0.000	0	Port of Taipei End	Bali, Port of Taipei	Northern terminus
2.888	1.795	2	Bali	Prov 15 – Bali, Linkou	Southern terminus
2.888	1.795	—		Prov 61 south	Continuation beyond southern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Route transition

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.

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.^[3]

• Directorate General of Highways, Taiwan