🛣️East IndiaPrimary Highway

National Highway 12 (NH 12)

Bakkhali to Raiganj — 625.0 km

NH 12 is a primary national highway connecting Bakkhali to Raiganj, spanning 625.0 km through West Bengal.

625.0

Kilometres

State

Major Cities

NH 12

Parent Highway

NH 12 Route Map

(NH34) Dalkola, Raiganj, Gazole, Maldah, Farakka, Morgram, Baharampur, Krishananagar, Ranaghat, Barasat, Kolkata Airport, Newton Kolkata, EM Bypass, Kolkata, Diamond Harbour, Kakdwip, Namkhana, Bok-Khali

States & Union Territories

NH 12 passes through the following 1 state:

West Bengal

Major Cities & Towns Along NH 12

The highway passes through 15 major cities and towns:

●Dalkola→●Raiganj→●Gazole→●Maldah→●Farakka→●Morgram→●Baharampur→●Krishananagar→●Ranaghat→●Barasat→●Kolkata Airport→●Newton Kolkata→●EM Bypass→●Kolkata→●Diamond Harbour

View on Google Maps

NH 12 Start and End Point

Start Point (Origin)

Bakkhali

End Point (Terminus)

Raiganj

Highway Classification

Highway NumberNH 12

TypePrimary National Highway

Total Length625.0 km

RegionEast India

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 12

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 12

⚠️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 12 start and end?

National Highway 12 starts from Bakkhali and ends at Raiganj, covering a total distance of 625.0 km.

Which states does National Highway 12 pass through?

National Highway 12 passes through West Bengal.

What are the major cities on National Highway 12?

The major cities and towns along National Highway 12 include Dalkola, Raiganj, Gazole, Maldah, Farakka, Morgram, Baharampur, Krishananagar, Ranaghat, Barasat, Kolkata Airport, Newton Kolkata, EM Bypass, Kolkata, Diamond Harbour.

What is the total length of National Highway 12?

The total length of National Highway 12 is 625.0 km.

Is National Highway 12 a primary or secondary national highway?

National Highway 12 is a primary national highway in India's post-2010 numbering system.

What is the speed limit on National Highway 12?

The speed limit on National Highway 12 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 12? (Route Map)

National Highway 12 follows this route: (NH34) Dalkola, Raiganj, Gazole, Maldah, Farakka, Morgram, Baharampur, Krishananagar, Ranaghat, Barasat, Kolkata Airport, Newton Kolkata, EM Bypass, Kolkata, Diamond Harbour, Kakdwip, Namkhana, Bok-Khali — starting at Bakkhali and ending at Raiganj.

Planning a Road Trip on NH 12?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist