🛣️Secondary Highway

National Highway 320B (NH 320B)

Ranchi to Jhalda — 127.0 km

NH 320B is a secondary/branch national highway connecting Ranchi to Jhalda, spanning 127.0 km through Jharkhand, West Bengal. It branches from NH 20.

127.0

Kilometres

States

Major Cities

NH 20

Parent Highway

NH 320B Route Map

NH-20 near Ranchi, Kanke, Patratu, Bhurkunda, Ramgarh, Gola, Saragdih(Subarnarekha), Jhalda

States & Union Territories

NH 320B passes through the following 2 states:

JharkhandWest Bengal

Major Cities & Towns Along NH 320B

The highway passes through 8 major cities and towns:

●NH-20 near Ranchi→●Kanke→●Patratu→●Bhurkunda→●Ramgarh→●Gola→●Saragdih(Subarnarekha)→●Jhalda

View on Google Maps

NH 320B Start and End Point

Start Point (Origin)

Ranchi

Junction point from route description

End Point (Terminus)

Jhalda

Junction point from route description

Highway Classification

Highway NumberNH 320B

TypeSecondary/Branch Highway

Parent HighwayNH 20

Total Length127.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 320B

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 320B

⚠️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 320B pass through?

National Highway 320B passes through Jharkhand, West Bengal.

What are the major cities on National Highway 320B?

The major cities and towns along National Highway 320B include NH-20 near Ranchi, Kanke, Patratu, Bhurkunda, Ramgarh, Gola, Saragdih(Subarnarekha), Jhalda.

What is the total length of National Highway 320B?

The total length of National Highway 320B is 127.0 km.

Is National Highway 320B a primary or secondary national highway?

National Highway 320B is a secondary/branch national highway that branches from NH 20.

What is the speed limit on National Highway 320B?

The speed limit on National Highway 320B 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 320B? (Route Map)

National Highway 320B follows this route: NH-20 near Ranchi, Kanke, Patratu, Bhurkunda, Ramgarh, Gola, Saragdih(Subarnarekha), Jhalda.

Planning a Road Trip on NH 320B?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist