| Country: | TWN |
| Type: | PH |
| Route: | 68 |
| Established: | November 1998 |
| Alternate Name: | 東西向快速公路——南寮竹東線 (East-West Expressway, Nanliao-Zhudong Line) |
| Length Km: | 22.992 |
| Map: | TWPHW68route.svg |
| Direction A: | West |
| Terminus A: | in North District, Hsinchu City |
| Direction B: | East |
| Terminus B: | in Zhudong, Hsinchu County |
| Previous Type: | PH |
| Previous Route: | 66 |
| Next Type: | PH |
| Next Route: | 72 |
Provincial Highway 68 is an expressway, which begins in Hsinchu City at Nanliao on the Provincial Highway No. 15 and ends in Zhudong on Zhongfeng Road (Provincial Road No. 3).
Provincial Highway 68 begins at the Nanliao Harbor in the North District and passes through the northern parts of Hsinchu City while running in a south-easterly direction. It then passes through Qionglin, where a bridge can be used to reach Freeway 3. The route eventually ends at an intersection with Provincial Highway 3 in Zhudong.[1]
The total length is 22.992 km (14.287 mi).