🛣️South IndiaPrimary Highway

National Highway 84 (NH 84)

Avinashi to Kumily — 256.0 km

NH 84 is a primary national highway connecting Avinashi to Kumily, spanning 256.0 km through Kerala, Tamil Nadu.

256.0

Kilometres

States

Major Cities

NH 84

Parent Highway

NH 84 Route Map

NH544 near Avinashi, Tiruppur, NH81 near Palladam, Udumalaipettai, Munnar, Poppara, Nedumkandam, NH183 near Kumily

States & Union Territories

NH 84 passes through the following 2 states:

KeralaTamil Nadu

Major Cities & Towns Along NH 84

The highway passes through 8 major cities and towns:

●Avinashi→●Tiruppur→●Palladam→●Udumalaipettai→●Munnar→●Poppara→●Nedumkandam→●Kumily

View on Google Maps

NH 84 Start and End Point

Start Point (Origin)

Avinashi

End Point (Terminus)

Kumily

Highway Classification

Highway NumberNH 84

TypePrimary National Highway

Total Length256.0 km

RegionSouth India

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 84

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 84

⚠️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

Where does National Highway 84 start and end?

National Highway 84 starts from Avinashi and ends at Kumily, covering a total distance of 256.0 km.

Which states does National Highway 84 pass through?

National Highway 84 passes through Kerala, Tamil Nadu.

What are the major cities on National Highway 84?

The major cities and towns along National Highway 84 include Avinashi, Tiruppur, Palladam, Udumalaipettai, Munnar, Poppara, Nedumkandam, Kumily.

What is the total length of National Highway 84?

The total length of National Highway 84 is 256.0 km.

Is National Highway 84 a primary or secondary national highway?

National Highway 84 is a primary national highway in India's post-2010 numbering system.

What is the speed limit on National Highway 84?

The speed limit on National Highway 84 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 84? (Route Map)

National Highway 84 follows this route: NH544 near Avinashi, Tiruppur, NH81 near Palladam, Udumalaipettai, Munnar, Poppara, Nedumkandam, NH183 near Kumily — starting at Avinashi and ending at Kumily.

Planning a Road Trip on NH 84?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist