🛣️Secondary Highway

National Highway 627A (NH 627A)

NH 627A is a secondary/branch national highway, spanning 57.0 km through Assam, Meghalaya. It branches from NH 27.

57.0

Kilometres

States

Major Cities

NH 27

Parent Highway

NH 627A Route Map

NH627 near Dihangi to Halflong Tinali

States & Union Territories

NH 627A passes through the following 2 states:

AssamMeghalaya

Major Cities & Towns Along NH 627A

The highway passes through 1 major cities and towns:

●Dihangi to Halflong Tinali

Highway Classification

Highway NumberNH 627A

TypeSecondary/Branch Highway

Parent HighwayNH 27

Total Length57.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 627A

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 627A

⚠️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 627A pass through?

National Highway 627A passes through Assam, Meghalaya.

What are the major cities on National Highway 627A?

The major cities and towns along National Highway 627A include Dihangi to Halflong Tinali.

What is the total length of National Highway 627A?

The total length of National Highway 627A is 57.0 km.

Is National Highway 627A a primary or secondary national highway?

National Highway 627A is a secondary/branch national highway that branches from NH 27.

What is the speed limit on National Highway 627A?

The speed limit on National Highway 627A 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 627A? (Route Map)

National Highway 627A follows this route: NH627 near Dihangi to Halflong Tinali.

Planning a Road Trip on NH 627A?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist