Provincial Highway 4 (Taiwan)
| Provincial Highway 4 | ||||
|---|---|---|---|---|
| 台4線 | ||||
| Route information | ||||
| Maintained by Directorate General of Highways | ||||
| Length | 39.269 km (24.401 mi) | |||
| Major junctions | ||||
| West end | Prov 15 in Dayuan | |||
| East end | Prov 3B in Longtan | |||
| Location | ||||
| Country | Taiwan | |||
| Highway system | ||||
| ||||
Provincial Highway 4 (Chinese: 台4線) is a provincial highway that runs from Dayuan to Longtan in Taoyuan City.