🛣️Secondary Highway

National Highway 319B (NH 319B)

Mughalsarai to Kolkata — 702.3 km

NH 319B is a secondary/branch national highway connecting Mughalsarai to Kolkata, spanning 702.3 km through Bihar, Jharkhand, Uttar Pradesh, West Bengal. It branches from NH 19.

702.3

Kilometres

States

Major Cities

NH 19

Parent Highway

NH 319B Route Map

NH-19 near Mughalsarai, Chainpur, Bhabua, Sasaram, Chatra, Hazaribagh, Ranchi, Purulia, Salboni, Kolaghat, Geokhali, Roychak, Kolkata

States & Union Territories

NH 319B passes through the following 4 states:

BiharJharkhandUttar PradeshWest Bengal

Major Cities & Towns Along NH 319B

The highway passes through 13 major cities and towns:

●NH-19 near Mughalsarai→●Chainpur→●Bhabua→●Sasaram→●Chatra→●Hazaribagh→●Ranchi→●Purulia→●Salboni→●Kolaghat→●Geokhali→●Roychak→●Kolkata

View on Google Maps

NH 319B Start and End Point

Start Point (Origin)

Mughalsarai

Junction point from route description

End Point (Terminus)

Kolkata

Junction point from route description

Highway Classification

Highway NumberNH 319B

TypeSecondary/Branch Highway

Parent HighwayNH 19

Total Length702.3 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 319B

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 319B

⚠️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 319B pass through?

National Highway 319B passes through Bihar, Jharkhand, Uttar Pradesh, West Bengal.

What are the major cities on National Highway 319B?

The major cities and towns along National Highway 319B include NH-19 near Mughalsarai, Chainpur, Bhabua, Sasaram, Chatra, Hazaribagh, Ranchi, Purulia, Salboni, Kolaghat, Geokhali, Roychak, Kolkata.

What is the total length of National Highway 319B?

The total length of National Highway 319B is 702.3 km.

Is National Highway 319B a primary or secondary national highway?

National Highway 319B is a secondary/branch national highway that branches from NH 19.

What is the speed limit on National Highway 319B?

The speed limit on National Highway 319B 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 319B? (Route Map)

National Highway 319B follows this route: NH-19 near Mughalsarai, Chainpur, Bhabua, Sasaram, Chatra, Hazaribagh, Ranchi, Purulia, Salboni, Kolaghat, Geokhali, Roychak, Kolkata.

Planning a Road Trip on NH 319B?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist