SignalPe
🛣️Secondary Highway

National Highway 327 (NH 327)

Bagdogra to Darbhanga — 336.0 km

NH 327 is a secondary/branch national highway connecting Bagdogra to Darbhanga, spanning 336.0 km through Bihar, West Bengal. It branches from NH 27.

336.0

Kilometres

2

States

15

Major Cities

NH 27

Parent Highway

NH 327 Route Map

(NH31C) NH27 near Bagdogra, Naksal Bari, Galgalia, (NH107) Thakurganj, Bahadurganj, Araria, Raniganj, Bhargama, Tribeniganj, Pipra, Supaul, NH231 near Bangaon (Bariyahi Bazar), Birau, Benipur, NH322 near Darbhanga

States & Union Territories

NH 327 passes through the following 2 states:

BiharWest Bengal

Major Cities & Towns Along NH 327

The highway passes through 15 major cities and towns:

BagdograNaksal BariGalgaliaThakurganjBahadurganjArariaRaniganjBhargamaTribeniganjPipraSupaulBangaon (Bariyahi Bazar)BirauBenipurDarbhanga

NH 327 Start and End Point

Start Point (Origin)

Bagdogra

Junction point from route description

End Point (Terminus)

Darbhanga

Junction point from route description

Highway Classification

Highway NumberNH 327
TypeSecondary/Branch Highway
Parent HighwayNH 27
Total Length336.0 km
Numbering SystemPost-2010 (New)
Managed ByNHAI / MoRTH

Speed Limit on NH 327

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 327

  • ⚠️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 327 pass through?
National Highway 327 passes through Bihar, West Bengal.
What are the major cities on National Highway 327?
The major cities and towns along National Highway 327 include Bagdogra, Naksal Bari, Galgalia, Thakurganj, Bahadurganj, Araria, Raniganj, Bhargama, Tribeniganj, Pipra, Supaul, Bangaon (Bariyahi Bazar), Birau, Benipur, Darbhanga.
What is the total length of National Highway 327?
The total length of National Highway 327 is 336.0 km.
Is National Highway 327 a primary or secondary national highway?
National Highway 327 is a secondary/branch national highway that branches from NH 27.
What is the speed limit on National Highway 327?
The speed limit on National Highway 327 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 327? (Route Map)
National Highway 327 follows this route: (NH31C) NH27 near Bagdogra, Naksal Bari, Galgalia, (NH107) Thakurganj, Bahadurganj, Araria, Raniganj, Bhargama, Tribeniganj, Pipra, Supaul, NH231 near Bangaon (Bariyahi Bazar), Birau, Benipur, NH322 near Darbhanga.

Planning a Road Trip on NH 327?

Check out our road safety guides and highway speed limits.

Related National Highways

Other National Highways in Bihar

Explore More on SignalPe