| Country: | MYS |
| Type: | Federal |
| Route: | 1 |
| Alternate Name: | Sultan Abdul Halim Highway |
| Direction A: | North |
| Terminus A: | Alor Setar |
| Junction: | Darul Aman Highway Kuala Kedah Highway Alor Setar Bypass North–South Expressway Northern Route Federal Route 1 |
| Direction B: | South |
| Terminus B: | Alor Setar South |
| Destinations: | Kota Sarang Semut Gurun Sungai Petani |
Sultan Abdul Halim Highway, Federal Route 1, is a broad and busy road link to Alor Star, Kedah, Malaysia via the North South Expressway (NSE) from Kuala Lumpur and Penang. It was named after Sultan Abdul Halim of Kedah.
| km | Exit | Interchange | To | Remarks | |
|---|---|---|---|---|---|
| Alor Setar | Masjid Zahir Balai Nobat Istana Lama | T-junctions | |||
| Sungai Kedah Bridge | Wan Mat Saman's Aqueduct monument | ||||
| Kampung Seberang Perak | West Kampung Seberang Perak Dr Mahathir Mohammad Birthplace | T-junctions | |||
| Pekan Simpang Kuala | West Kuala Kedah Highway Kuala Kedah Langkawi Island East Jalan Alor Mengkudu Alor Mengkudu | Junctions | |||
| Alor Setar South | Northwest Alor Setar Bypass Kangar Kuala Kedah East North–South Expressway Northern Route Bukit Kayu Hitam Penang Ipoh Kuala Lumpur | Junctions | |||
| South Sungai Petani Gurun Kota Sarang Semut |