🛣️Secondary Highway

National Highway 127A (NH 127A)

NH 127A is a secondary/branch national highway, spanning 72.0 km through Assam. It branches from NH 27.

72.0

Kilometres

State

Major Cities

NH 27

Parent Highway

NH 127A Route Map

(NH152) Simlaguri - Manas National Park - Bhutan border

States & Union Territories

NH 127A passes through the following 1 state:

Assam

Major Cities & Towns Along NH 127A

The highway passes through 1 major cities and towns:

●Simlaguri - Manas National Park - Bhutan border

Highway Classification

Highway NumberNH 127A

TypeSecondary/Branch Highway

Parent HighwayNH 27

Total Length72.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 127A

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 127A

⚠️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 127A pass through?

National Highway 127A passes through Assam.

What are the major cities on National Highway 127A?

The major cities and towns along National Highway 127A include Simlaguri - Manas National Park - Bhutan border.

What is the total length of National Highway 127A?

The total length of National Highway 127A is 72.0 km.

Is National Highway 127A a primary or secondary national highway?

National Highway 127A is a secondary/branch national highway that branches from NH 27.

What is the speed limit on National Highway 127A?

The speed limit on National Highway 127A 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 127A? (Route Map)

National Highway 127A follows this route: (NH152) Simlaguri - Manas National Park - Bhutan border.

Planning a Road Trip on NH 127A?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist