🛣️Northeast IndiaPrimary Highway

National Highway 10 (NH 10)

Siliguri to Nathu La — 120.0 km

NH 10 is a primary national highway connecting Siliguri to Nathu La, spanning 120.0 km through Sikkim, West Bengal.

120.0

Kilometres

States

Major Cities

NH 10

Parent Highway

NH 10 Route Map

(NH31) Siliguri, (NH31A) Sivok, Kalimpong, Gangtok

States & Union Territories

NH 10 passes through the following 2 states:

SikkimWest Bengal

Major Cities & Towns Along NH 10

The highway passes through 4 major cities and towns:

●Siliguri→●Sivok→●Kalimpong→●Gangtok

View on Google Maps

NH 10 Start and End Point

Start Point (Origin)

Siliguri

End Point (Terminus)

Nathu La

Highway Classification

Highway NumberNH 10

TypePrimary National Highway

Total Length120.0 km

RegionNortheast India

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 10

Cars, Jeeps & Light Motor Vehicles100 km/h

Buses & Goods Carriers (medium)80 km/h

Heavy Motor Vehicles (trucks, lorries)60 km/h

Motorcycles & Two-Wheelers80 km/h

Speed limits are prescribed under the Motor Vehicles Act and Central Motor Vehicles Rules for national highways. State governments may impose lower limits on specific stretches.

Safety Tips for Driving on NH 10

⚠️Always follow the speed limit — 100 km/h for cars and 80 km/h for heavy vehicles on national highways.
⚠️Wear seatbelts and ensure all passengers are buckled up.
⚠️Do not overtake on curves, bridges, or narrow sections.
⚠️Keep a safe following distance, especially during monsoon season.
⚠️Use headlights even during daytime on highways.
⚠️Take breaks every 2 hours during long drives to avoid fatigue.
⚠️In case of an emergency, call 112 (Unified Emergency Number) or 1033 (National Highway Helpline).

Frequently Asked Questions

Where does National Highway 10 start and end?

National Highway 10 starts from Siliguri and ends at Nathu La, covering a total distance of 120.0 km.

Which states does National Highway 10 pass through?

National Highway 10 passes through Sikkim, West Bengal.

What are the major cities on National Highway 10?

The major cities and towns along National Highway 10 include Siliguri, Sivok, Kalimpong, Gangtok.

What is the total length of National Highway 10?

The total length of National Highway 10 is 120.0 km.

Is National Highway 10 a primary or secondary national highway?

National Highway 10 is a primary national highway in India's post-2010 numbering system.

What is the speed limit on National Highway 10?

The speed limit on National Highway 10 is 100 km/h for cars and light motor vehicles, 80 km/h for buses and medium goods vehicles, and 60 km/h for heavy motor vehicles (trucks and lorries). These limits are set under the Central Motor Vehicles Rules for national highways. State governments may impose lower limits on specific sections.

What is the route of National Highway 10? (Route Map)

National Highway 10 follows this route: (NH31) Siliguri, (NH31A) Sivok, Kalimpong, Gangtok — starting at Siliguri and ending at Nathu La.

Planning a Road Trip on NH 10?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist