&sq=Bangladesh&lang=en&file=File:TW_PHW66.svg) | ||||
|---|---|---|---|---|
| 台66線 | ||||
| 東西向快速公路觀音大溪線 (East-West Expressway, Guanyin-Daxi Line) | ||||
&sq=Bangladesh&lang=en&file=File:TW_PHW66route.svg) | ||||
| Route information | ||||
| Maintained by Directorate General of Highways | ||||
| Length | 27.259 km[1] (16.938 mi) | |||
| Existed | 20 January 2001–present | |||
| Major junctions | ||||
| West end |  Prov 61 in Guanyin | |||
| East end |  Cty 112A in Daxi | |||
| Location | ||||
| Country | Taiwan | |||
| Highway system | ||||
| ||||
Provincial Highway 66 (Chinese: 台66線) is an expressway, which begins in Guanyin District, Taoyuan City on Provincial Highway 61 and ends in Daxi District, Taoyuan City, on County Road 112A.