🛣️Secondary Highway

National Highway 420 (NH 420)

Saragdih to Bundu — 57.0 km

NH 420 is a secondary/branch national highway connecting Saragdih to Bundu, spanning 57.0 km through Jharkhand. It branches from NH 20.

57.0

Kilometres

State

Major Cities

NH 20

Parent Highway

NH 420 Route Map

NH-320B near Saragdih(Subarnarekha), Muri, Silli, Bantahajam, Rahe, NH-43 near Bundu

States & Union Territories

NH 420 passes through the following 1 state:

Jharkhand

Major Cities & Towns Along NH 420

The highway passes through 6 major cities and towns:

●NH-320B near Saragdih(Subarnarekha)→●Muri→●Silli→●Bantahajam→●Rahe→●NH-43 near Bundu

View on Google Maps

NH 420 Start and End Point

Start Point (Origin)

Saragdih

Junction point from route description

End Point (Terminus)

Bundu

Junction point from route description

Highway Classification

Highway NumberNH 420

TypeSecondary/Branch Highway

Parent HighwayNH 20

Total Length57.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 420

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 420

⚠️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 420 pass through?

National Highway 420 passes through Jharkhand.

What are the major cities on National Highway 420?

The major cities and towns along National Highway 420 include NH-320B near Saragdih(Subarnarekha), Muri, Silli, Bantahajam, Rahe, NH-43 near Bundu.

What is the total length of National Highway 420?

The total length of National Highway 420 is 57.0 km.

Is National Highway 420 a primary or secondary national highway?

National Highway 420 is a secondary/branch national highway that branches from NH 20.

What is the speed limit on National Highway 420?

The speed limit on National Highway 420 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 420? (Route Map)

National Highway 420 follows this route: NH-320B near Saragdih(Subarnarekha), Muri, Silli, Bantahajam, Rahe, NH-43 near Bundu.

Planning a Road Trip on NH 420?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist