National Highway 1 (NH 1) in India runs between the union territories of Jammu & Kashmir and Ladakh. It comprises parts of old NH1A and NH1D.^[1][2] The number 1 indicates, under the new numbering system,^[2] that it is the northernmost East-West highway in India.

Quick Facts Route information, Length ...

National Highway 1
NH 1 through the Himalayan mountains
Route information
Maintained by BRO
Length	534 km (332 mi)
Major junctions
East end	NH 3, Leh
Major intersections	NH 44, Srinagar
West end	S-3 Strategic Highway, Hattian Bala
Location
Country	India
States	Jammu & Kashmir, Ladakh
Primary destinations	Baramulla, Srinagar, Kargil
Highway system
Roads in India Expressways National State Asian
← NH 87 → NH 301

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A track between Srinagar in the Kashmir Valley and Leh in Ladakh had existed since medieval times, and it was a prime trade route for many centuries. It passed through the Zoji La pass—3,528 metres (11,575 ft)—over the Great Himalayan range, which is snowbound for half the year.

After the Independence of India, the Government of Jammu and Kashmir started building a motorable road along the route in 1954.^[3] The construction was suspended in 1958 after discovery of corruption among the contractors and engineers, and an enquiry was initiated.^[3][4] In 1960, the Government of India created the Border Roads Organisation (BRO) to take charge of strategic border roads and it was entrusted with completing the road. Setting up a 'Project Beacon' in Leh, the BRO completed the road by August 1962, and also extended it to Chushul by September 1962, just a few weeks before hostilities were initiated by China.^[5]

In addition to the Zoji La pass, the highway also had to cross the Ladakh Range between Kargil and Leh, via the Fotu La pass—4,108 metres (13,478 ft)—which is however less snowbound than Zoji La.

A segment of the highway came under attack by Pakistani intruders between Drass and Kargil in 1999, who occupied the mountain tops on the Indian side of the Line of Control and shelled the highway. This led to the Kargil War, which ended by the Indian Army eventually evicting the intruders.

NH 1 passes from Uri to Baramulla, Srinagar, Sonamarg, Zoji La, Dras, Kargil and Leh. The route passes through high mountain passes and most of the road clings to mountainsides. The NH is the lifeline of the Ladakh region. An alternative route, the Leh-Manali Highway, exists but it climbs over even higher mountain passes. NH 1 passes near the India-Pakistan border.

The Jammu and Kashmir State Road Transport Corporation (JKSRTC) operates regular Deluxe and Ordinary bus services between Srinagar and Leh on this route with an overnight halt at Kargil. Taxis (cars and jeeps) are also available at Srinagar for the journey.

• Leh-Manali Highway
• List of National Highways in India (by Highway Number)