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 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 380 km (240 mi) stretch of the old NH 1 from Jalandhar to Delhi is a part of the North-South Corridor.

[3]