&sq=Envato&lang=en&file=File:TW_PHW78.svg) | ||||
|---|---|---|---|---|
| 台78線 | ||||
| 台西古坑線 (Taixi-Gukeng Expressway) | ||||
&sq=Envato&lang=en&file=File:TW_PHW78route.svg) | ||||
| Route information | ||||
| Maintained by Directorate General of Highways | ||||
| Length | 42.879 km[1] (26.644 mi) | |||
| Existed | 6 February 2002–present | |||
| Major junctions | ||||
| West end |  Prov 61 in Taixi, Yunlin | |||
 Nat 1 in Dounan, Yunlin | ||||
| East end |  Nat 3 in Gukeng, Yunlin | |||
| Location | ||||
| Country | Taiwan | |||
| Highway system | ||||
| ||||
Provincial Highway 78 (Chinese: 台78線) begins in Taixi, Yunlin, Taiwan, on Zhonghua Road (Provincial Highway No. 17) and ends in Gukeng, Yunlin on National Highway No. 3.