National Highway 131B (NH 131B)
NH 131B is a secondary/branch national highway through Bihar. It branches from NH 31.
1
State
0
Major Cities
NH 31
Parent Highway
NH 131B Route Map
NH-31 near Naughachia and terminating at its junction with NH-33 near Bhagalpur
States & Union Territories
NH 131B passes through the following 1 state:
Highway Classification
Speed Limit on NH 131B
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 131B
- ⚠️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 131B pass through?
Is National Highway 131B a primary or secondary national highway?
What is the speed limit on National Highway 131B?
What is the route of National Highway 131B? (Route Map)
Planning a Road Trip on NH 131B?
Check out our road safety guides and highway speed limits.
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