🛣️Secondary Highway

National Highway 512 (NH 512)

Gazole to Hilli (near Indo/Bangladesh Border) — 96.0 km

NH 512 is a secondary/branch national highway connecting Gazole to Hilli (near Indo/Bangladesh Border), spanning 96.0 km through West Bengal. It branches from NH 12.

96.0

Kilometres

State

Major Cities

NH 12

Parent Highway

NH 512 Route Map

NH12 near Gazole, Daulatpur, Bansihari, Gangarampur, Harsura, Balurghat, Hilli (near Indo/Bangladesh Border)

States & Union Territories

NH 512 passes through the following 1 state:

West Bengal

Major Cities & Towns Along NH 512

The highway passes through 7 major cities and towns:

●Gazole→●Daulatpur→●Bansihari→●Gangarampur→●Harsura→●Balurghat→●Hilli (near Indo/Bangladesh Border)

View on Google Maps

NH 512 Start and End Point

Start Point (Origin)

Gazole

Junction point from route description

End Point (Terminus)

Hilli (near Indo/Bangladesh Border)

Junction point from route description

Highway Classification

Highway NumberNH 512

TypeSecondary/Branch Highway

Parent HighwayNH 12

Total Length96.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 512

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 512

⚠️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 512 pass through?

National Highway 512 passes through West Bengal.

What are the major cities on National Highway 512?

The major cities and towns along National Highway 512 include Gazole, Daulatpur, Bansihari, Gangarampur, Harsura, Balurghat, Hilli (near Indo/Bangladesh Border).

What is the total length of National Highway 512?

The total length of National Highway 512 is 96.0 km.

Is National Highway 512 a primary or secondary national highway?

National Highway 512 is a secondary/branch national highway that branches from NH 12.

What is the speed limit on National Highway 512?

The speed limit on National Highway 512 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 512? (Route Map)

National Highway 512 follows this route: NH12 near Gazole, Daulatpur, Bansihari, Gangarampur, Harsura, Balurghat, Hilli (near Indo/Bangladesh Border).

Planning a Road Trip on NH 512?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist