| Federal Route 31 | |
|---|---|
| Jalan Banting-Semenyih | |
| Route information | |
| Length: | 45.8 km (28.5 mi) | 
| Major junctions | |
| West end: | Teluk Datok | 
|  Klang-Banting Highway  Labohan Dagang-Nilai Route  Jalan Bukit Changgang  Putrajaya-Cyberjaya Expressway  Jalan Putrajaya-Dengkil  Jalan Uniten-Dengkil  Jalan Besar Salak  Jalan Reko  Jalan Enam Kaki  Kajang-Seremban Highway  Federal Route 1 | |
| East end: | Semenyih | 
| Location | |
| Primary destinations: | Banting, Jugra, Morib, Putrajaya, Cyberjaya, Dengkil, Jenderam Hilir, Bandar Baru Bangi, Kajang, Bangi | 
| Highway system | |
Jalan Banting-Semenyih or Jalan Bangi, Federal Route 31 (formerly Selangor state route B18), is a federal road in Selangor, Malaysia. The 45.8 km (28.5 mi) road connects Teluk Datok, Kuala Langat in the west to Semenyih, Hulu Langat in the east.
The Kilometre Zero is located at Semenyih.
In 2011, the road was gazetted as the federal road by JKR as Federal Route 31.
At most sections, the Federal Route 31 was built under the JKR R5 road standard, allowing maximum speed limit of up to 90 km/h.