| Country | ASIA |
|---|---|
| Route | 140 |
| Length | 330 km |
| Length round | 1 |
| Direction a | West |
| Terminus a | Butterworth, Penang |
| Direction b | East |
| Terminus b | Pasir Puteh, Kelantan |
| Countries | Malaysia |
| Previous route | 132 |
| Next route | 141 |
Asian Highway 140 is a highway that is part of Asian Highway Network. It was never signposted in Malaysia, although it is part of Asian Highway Network. It follows Butterworth–Kulim Expressway and Malaysia Federal Route 4.