🛣️Secondary Highway

National Highway 122B (NH 122B)

Hazipur to Bachwara

NH 122B is a secondary/branch national highway connecting Hazipur to Bachwara through Bihar. It branches from NH 22.

State

Major Cities

NH 22

Parent Highway

NH 122B Route Map

NH-22 near Hazipur connecting Mahanar, Mohiuddin Nagar and terminating at its junction with NH-122 near Bachwara

States & Union Territories

NH 122B passes through the following 1 state:

Bihar

Major Cities & Towns Along NH 122B

The highway passes through 1 major cities and towns:

●NH-22 near Hazipur connecting Mahanar

View on Google Maps

NH 122B Start and End Point

Start Point (Origin)

Hazipur

Junction point from route description

End Point (Terminus)

Bachwara

Junction point from route description

Highway Classification

Highway NumberNH 122B

TypeSecondary/Branch Highway

Parent HighwayNH 22

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 122B

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 122B

⚠️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 122B pass through?

National Highway 122B passes through Bihar.

What are the major cities on National Highway 122B?

The major cities and towns along National Highway 122B include NH-22 near Hazipur connecting Mahanar.

Is National Highway 122B a primary or secondary national highway?

National Highway 122B is a secondary/branch national highway that branches from NH 22.

What is the speed limit on National Highway 122B?

The speed limit on National Highway 122B 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 122B? (Route Map)

National Highway 122B follows this route: NH-22 near Hazipur connecting Mahanar, Mohiuddin Nagar and terminating at its junction with NH-122 near Bachwara.

Planning a Road Trip on NH 122B?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist