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|---|---|---|---|---|
| Taichung Beltway / Taichung Circular Line | ||||
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| Route information | ||||
| Maintained by Taiwan Area National Freeway Bureau | ||||
| Length | 28.0 km[1] (17.4 mi) | |||
| Existed | 16 November 2001–present | |||
| Major junctions | ||||
| West end |  Prov 17 in Qingshui | |||
 Nat 3 in Qingshui Nat 1 in Shengang | ||||
| East end |  Prov 74 in Tanzi | |||
| Location | ||||
| Country | Taiwan | |||
| Highway system | ||||
| ||||
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.
The total length is 28.0 km (17.4 miles).
| County | Location | km[2] | 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 | ||
| 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 | |||||||
The lanes in each direction are listed below.
