🛣️Secondary Highway

National Highway 139 (NH 139)

Rajhara to Patna — 240.0 km

NH 139 is a secondary/branch national highway connecting Rajhara to Patna, spanning 240.0 km through Bihar, Jharkhand. It branches from NH 39.

240.0

Kilometres

States

Major Cities

NH 39

Parent Highway

NH 139 Route Map

(NH98) NH39 near Rajhara, Chhatarpur, Hariharganj, Aurangabad, Daudnagar, Arwal, Naubatpur, NH31 near Patna

States & Union Territories

NH 139 passes through the following 2 states:

BiharJharkhand

Major Cities & Towns Along NH 139

The highway passes through 8 major cities and towns:

●Rajhara→●Chhatarpur→●Hariharganj→●Aurangabad→●Daudnagar→●Arwal→●Naubatpur→●Patna

View on Google Maps

NH 139 Start and End Point

Start Point (Origin)

Rajhara

Junction point from route description

End Point (Terminus)

Patna

Junction point from route description

Highway Classification

Highway NumberNH 139

TypeSecondary/Branch Highway

Parent HighwayNH 39

Total Length240.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 139

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 139

⚠️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 139 pass through?

National Highway 139 passes through Bihar, Jharkhand.

What are the major cities on National Highway 139?

The major cities and towns along National Highway 139 include Rajhara, Chhatarpur, Hariharganj, Aurangabad, Daudnagar, Arwal, Naubatpur, Patna.

What is the total length of National Highway 139?

The total length of National Highway 139 is 240.0 km.

Is National Highway 139 a primary or secondary national highway?

National Highway 139 is a secondary/branch national highway that branches from NH 39.

What is the speed limit on National Highway 139?

The speed limit on National Highway 139 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 139? (Route Map)

National Highway 139 follows this route: (NH98) NH39 near Rajhara, Chhatarpur, Hariharganj, Aurangabad, Daudnagar, Arwal, Naubatpur, NH31 near Patna.

Planning a Road Trip on NH 139?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist