| Country: | IND |
| Type: | NH |
| Route: | 1 |
| Map Custom: | yes |
| Image Notes: | Road map of India with National Highway 1 highlighted in solid blue colour |
| Length Km: | 456 |
| Direction A: | South |
| Destinations: | Delhi - Panipat- Kurukshetra - Ambala - Jalandhar - Ludhiana - Phagwara - Amritsar - Indo-Pak Border |
| Direction B: | North |
| Terminus B: | Attari, Punjab |
| Junction: | NH 2 in Delhi NH 8 in Delhi NH 21 to Manali/Leh in Ambala NH 22 to Shimla in Ambala NH 10 in burari NH 71 in Jalandhar NH 15 in Amritsar |
| Length Notes: | NS 380km (240miles) (New Delhi - Jalandhar) |
| States: | Delhi 22km (14miles) |
| Previous Type: | NH |
| Previous Route: | 234 |
| Next Type: | NH |
| Next Route: | 1A |
National Highway 1 or NH 1 was a National Highway in Northern India that linked the national capital New Delhi to the town of Attari in Punjab near the India–Pakistan border.[1] Old National Highway 1 in its entirety, was part of historic Grand Trunk Road or simply known as GT Road.
As of 2010 notification from Ministry of Road Transport and Highways, NH 1 has been renumbered as follows.[2]
Approximately 380km (240miles) stretch of the old NH 1 from Jalandhar to Delhi is a part of the North-South Corridor.[3]