🛣️Secondary Highway

National Highway 333B (NH 333B)

Munger to Biraul — 106.0 km

NH 333B is a secondary/branch national highway connecting Munger to Biraul, spanning 106.0 km through Bihar. It branches from NH 33.

106.0

Kilometres

State

Major Cities

NH 33

Parent Highway

NH 333B Route Map

NH33 near Munger, NH31 near Khagaria, Alauli, Bithan, Hasanpur, Kusheswarasthan, NH327 near Biraul

States & Union Territories

NH 333B passes through the following 1 state:

Bihar

Major Cities & Towns Along NH 333B

The highway passes through 7 major cities and towns:

●Munger→●Khagaria→●Alauli→●Bithan→●Hasanpur→●Kusheswarasthan→●Biraul

View on Google Maps

NH 333B Start and End Point

Start Point (Origin)

Munger

Junction point from route description

End Point (Terminus)

Biraul

Junction point from route description

Highway Classification

Highway NumberNH 333B

TypeSecondary/Branch Highway

Parent HighwayNH 33

Total Length106.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 333B

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 333B

⚠️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 333B pass through?

National Highway 333B passes through Bihar.

What are the major cities on National Highway 333B?

The major cities and towns along National Highway 333B include Munger, Khagaria, Alauli, Bithan, Hasanpur, Kusheswarasthan, Biraul.

What is the total length of National Highway 333B?

The total length of National Highway 333B is 106.0 km.

Is National Highway 333B a primary or secondary national highway?

National Highway 333B is a secondary/branch national highway that branches from NH 33.

What is the speed limit on National Highway 333B?

The speed limit on National Highway 333B 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 333B? (Route Map)

National Highway 333B follows this route: NH33 near Munger, NH31 near Khagaria, Alauli, Bithan, Hasanpur, Kusheswarasthan, NH327 near Biraul.

Planning a Road Trip on NH 333B?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist