Jalan Lencongan Barat
| Federal Route 257 | |
|---|---|
| Jalan Lencongan Barat | |
| Route information | |
| Length | 12.00 km (7.46 mi) |
| Major junctions | |
| Beltway around Sungai Petani | |
| North end | Sungai Petani North FT 1 Jalan Badlishah |
| FT 1 Federal Route 1 | |
| South end | Bakar Arang |
| Location | |
| Country | Malaysia |
| Primary destinations | Sungai Layar |
| Highway system | |
Jalan Lencongan Barat or Sungai Petani Western Bypass, Federal Route 257, is a major highway bypass in Sungai Petani, Kedah, Malaysia. The Kilometre Zero of the Federal Route 257 is located at Sungai Petani South.