// Workers AI · dad joke modeWhy was National Freeway 4 popular? It was a road to success.

National freeway 4
Taichung Beltway / Taichung Circular Line
Route information
Maintained by Taiwan Area National Freeway Bureau
Length	28.0 km (17.4 mi)
Existed	16 November 2001–present
Major junctions
West end	Prov 17 in Qingshui
Major intersections	Nat 3 in Qingshui Nat 1 in Shengang
East end	Prov 74 in Tanzi
Location
Country	Taiwan
Highway system
Highway system in Taiwan
← Nat 3 → Nat 5

National freeway 4

National freeway 4 is a freeway that begins in Qingshui District, Taichung at Provincial Highway 17 and ends in Tanzi District at Provincial Highway 74. It acts as the second ring road for the Taichung area.

Length

The total length is 28.0 km (17.4 miles).

Major cities along the route

• Taichung City

Exit List

County	Location	km	mi	Exit	Name	Destinations	Notes
Taichung City	Qingshui	0.0	0.0	0	Qingshui	Prov 17 / Prov 1 – Qingshui, Port of Taichung
		2.3	1.4	2	Zhonggang System	Nat 3 – Shalu, Dajia
	Shengang	9.0	5.6	9	Shengang	Sanmin Rd. – Shengang, Cty 132 – Houli
		11.7	7.3	11	Taichung System	Nat 1 – Houli, Taichung
	Houli	14	8.7	14	Houfeng	Prov 13 – Houli, Fengyuan
	Fengyuan	17.8	11.1	18	Fengshi	Prov 3 – Fengyuan, Shigang, Dongshi, Dongfeng Expressway (In Progress)
	Tanzi	26.0	16.2	26	Tanzi	Fugui Road/Fengxing Road/Fengyuan Blvd.
		28.0	17.4	28	Tanzi System	Prov 74 – Tanzi, Taiping, Dali	Terminus of freeway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Lanes

The lanes in each direction are listed below.

• 3 lanes:
  • Qingshui Top - Fengshi IC
• 2 lanes:
  • Fengshi IC-Tanzi System

See also

• Highway system in Taiwan

Notes

Completed in November 2001.

The Fengshi - Tanzi section was opened on 16 January 2023.

External links

• Taiwan Area National Freeway Bureau, MOTC (in English)