🛣️Secondary Highway

National Highway 146B (NH 146B)

Budhni to Barwaha — 235.0 km

NH 146B is a secondary/branch national highway connecting Budhni to Barwaha, spanning 235.0 km through Madhya Pradesh. It branches from NH 46.

235.0

Kilometres

State

Major Cities

NH 46

Parent Highway

NH 146B Route Map

NH46 near Budhni, Kosmi, Rehti, Nasrullahganj, Khategaon, Satwas, Udainagar, Barwaha

States & Union Territories

NH 146B passes through the following 1 state:

Madhya Pradesh

Major Cities & Towns Along NH 146B

The highway passes through 8 major cities and towns:

●Budhni→●Kosmi→●Rehti→●Nasrullahganj→●Khategaon→●Satwas→●Udainagar→●Barwaha

View on Google Maps

NH 146B Start and End Point

Start Point (Origin)

Budhni

Junction point from route description

End Point (Terminus)

Barwaha

Junction point from route description

Highway Classification

Highway NumberNH 146B

TypeSecondary/Branch Highway

Parent HighwayNH 46

Total Length235.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 146B

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 146B

⚠️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 146B pass through?

National Highway 146B passes through Madhya Pradesh.

What are the major cities on National Highway 146B?

The major cities and towns along National Highway 146B include Budhni, Kosmi, Rehti, Nasrullahganj, Khategaon, Satwas, Udainagar, Barwaha.

What is the total length of National Highway 146B?

The total length of National Highway 146B is 235.0 km.

Is National Highway 146B a primary or secondary national highway?

National Highway 146B is a secondary/branch national highway that branches from NH 46.

What is the speed limit on National Highway 146B?

The speed limit on National Highway 146B 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 146B? (Route Map)

National Highway 146B follows this route: NH46 near Budhni, Kosmi, Rehti, Nasrullahganj, Khategaon, Satwas, Udainagar, Barwaha.

Planning a Road Trip on NH 146B?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist