🛣️Secondary Highway

National Highway 120 (NH 120)

Bihar Sharif to Gaya — 92.0 km

NH 120 is a secondary/branch national highway connecting Bihar Sharif to Gaya, spanning 92.0 km through Bihar. It branches from NH 20.

92.0

Kilometres

State

Major Cities

NH 20

Parent Highway

NH 120 Route Map

(NH82) NH20 near Bihar Sharif, Nalanda, Rajgir, Hisua, NH22 near Gaya

States & Union Territories

NH 120 passes through the following 1 state:

Bihar

Major Cities & Towns Along NH 120

The highway passes through 5 major cities and towns:

●Bihar Sharif→●Nalanda→●Rajgir→●Hisua→●Gaya

View on Google Maps

NH 120 Start and End Point

Start Point (Origin)

Bihar Sharif

Junction point from route description

End Point (Terminus)

Gaya

Junction point from route description

Highway Classification

Highway NumberNH 120

TypeSecondary/Branch Highway

Parent HighwayNH 20

Total Length92.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 120

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 120

⚠️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 120 pass through?

National Highway 120 passes through Bihar.

What are the major cities on National Highway 120?

The major cities and towns along National Highway 120 include Bihar Sharif, Nalanda, Rajgir, Hisua, Gaya.

What is the total length of National Highway 120?

The total length of National Highway 120 is 92.0 km.

Is National Highway 120 a primary or secondary national highway?

National Highway 120 is a secondary/branch national highway that branches from NH 20.

What is the speed limit on National Highway 120?

The speed limit on National Highway 120 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 120? (Route Map)

National Highway 120 follows this route: (NH82) NH20 near Bihar Sharif, Nalanda, Rajgir, Hisua, NH22 near Gaya.

Planning a Road Trip on NH 120?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist