Provincial Highway 84 (Chinese: 台84線) is an expressway, which begins in Beimen, Tainan on the Provincial Highway No. 61 and ends in Yujing, Tainan on Zhongshan Road (Provincial Highway No. 20).

Quick Facts Route information, Length ...

Provincial Highway 84
台84線
北門玉井線 (Beimen-Yujing Expressway)
Route information
Maintained by Directorate General of Highways
Length	41.428 km[1] (25.742 mi)
Existed	July 1998–present
Major junctions
West end	Prov 61 in Beimen, Tainan City
Major intersections	Nat 1 in Xiaying, Tainan City Nat 3 in Guantian, Tainan City
East end	Prov 20 / Prov 3 in Yujing, Tainan City
Location
Country	Taiwan
Highway system
Highway system in Taiwan
← Prov 82 → Prov 86

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The route between Beimen, Tainan and Syuejia, Tainan is under construction and will be completed in 2014.

A short section in Beimen, Tainan between National Highway No. 61 and Provincial Highway No. 17 was open in 2004. It functions as a feeder to National Highway No. 61.

The total length is 41.428 km.

The entire route is within Tainan City.

More information City, Location ...

City	Location	km[1]	Mile	Exit	Name	Destinations	Notes
Tainan City	Beimen	0	0.0	0	Beimen System	Prov 61 – Jiangjun, Budai
		1	0.62	1	Beimen	Prov 17 – Beimen
	Syuejia	8.6	5.3	8	Xuejia	Prov 19 – Yanshuei, Syuejia
	Xiaying	14.0	8.7	14	Xiaying	Nat 1 – Xinying, Madou
	Madou	17.6	10.9	17	Madou	Prov 19a – Xiaying, Madou
	Guantian	21.2	13.2	21	Xizhuang	Cty 171 – Xizhuang
		26.5	16.5	26	Dutou	Prov 1 – Guantian, Shanhua	Also serves as Eastbound Exit to Freeway 3, No Westbound Exit
		27.8	17.3	27	Guantian System	Nat 3 – Chiayi City, Tainan City	Also serves as Westbound Exit to Highway 1, No Eastbound Exit
	Danei	32.5	20.2	32	Toushe	TR tn182-1– Toushe, Danei
		35.2	21.9	35	Erxi	TR tn182 – Dapaolun, Erxi
		36– 37	22– 23	Zoumalai Tunnel
		37.8	23.5	End Freeway
	Yujing	41.428	25.742	41		Prov 20 / Prov 3 – Downtown Yujing, Nansi, Zuojhen
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Incomplete access

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• National Highway No. 3 at Guantian JCT. in Guantian, Tainan
• National Highway No. 1 at Xiaying JCT. in Xiaying, Tainan
• Provincial Highway No. 61 at Beimen IC. in Beimen, Tainan(under construction)

• Highway system in Taiwan