🛣️Secondary Highway

National Highway 510 (NH 510)

Singtham to Yuksom — 122.0 km

NH 510 is a secondary/branch national highway connecting Singtham to Yuksom, spanning 122.0 km through Sikkim. It branches from NH 10.

122.0

Kilometres

State

Major Cities

NH 10

Parent Highway

NH 510 Route Map

NH10 near Singtham, Damthang, Ravangla, Legship, Geyzing, Pelling, Yuksom.

States & Union Territories

NH 510 passes through the following 1 state:

Sikkim

Major Cities & Towns Along NH 510

The highway passes through 7 major cities and towns:

●Singtham→●Damthang→●Ravangla→●Legship→●Geyzing→●Pelling→●Yuksom.

View on Google Maps

NH 510 Start and End Point

Start Point (Origin)

Singtham

Junction point from route description

End Point (Terminus)

Yuksom

Junction point from route description

Highway Classification

Highway NumberNH 510

TypeSecondary/Branch Highway

Parent HighwayNH 10

Total Length122.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 510

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 510

⚠️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

Which states does National Highway 510 pass through?

National Highway 510 passes through Sikkim.

What are the major cities on National Highway 510?

The major cities and towns along National Highway 510 include Singtham, Damthang, Ravangla, Legship, Geyzing, Pelling, Yuksom..

What is the total length of National Highway 510?

The total length of National Highway 510 is 122.0 km.

Is National Highway 510 a primary or secondary national highway?

National Highway 510 is a secondary/branch national highway that branches from NH 10.

What is the speed limit on National Highway 510?

The speed limit on National Highway 510 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 510? (Route Map)

National Highway 510 follows this route: NH10 near Singtham, Damthang, Ravangla, Legship, Geyzing, Pelling, Yuksom..

Planning a Road Trip on NH 510?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist