National Highway 310 (NH 310)
Written and checked byRamanathan Virli· Roads & Infrastructure
Gangtok to Nathula — 55.0 km
NH 310 is a secondary/branch national highway connecting Gangtok to Nathula, spanning 55.0 km through Sikkim. It branches from NH 10.
55.0
Kilometres
1
State
4
Major Cities
NH 10
Parent Highway
NH 310 Route Map
NH10 near Gangtok, Burduk, Menla, Nathula
States & Union Territories
NH 310 passes through the following 1 state:
Major Cities & Towns Along NH 310
The highway passes through 4 major cities and towns:
NH 310 Start and End Point
Start Point (Origin)
Gangtok
End Point (Terminus)
Nathula
Highway Classification
Speed Limit on NH 310
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 310
- ⚠️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 310 start and end?
Which states does National Highway 310 pass through?
What are the major cities on National Highway 310?
What is the total length of National Highway 310?
Is National Highway 310 a primary or secondary national highway?
What is the speed limit on National Highway 310?
What is the route of National Highway 310? (Route Map)
Planning a Road Trip on NH 310?
Check out our road safety guides and highway speed limits.
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