🛣️Secondary Highway

National Highway 182A (NH 182A)

Uvari to Nanguneri Kalakkad — 52.0 km

NH 182A is a secondary/branch national highway connecting Uvari to Nanguneri Kalakkad, spanning 52.0 km through Tamil Nadu. It branches from NH 82.

52.0

Kilometres

State

Major Cities

NH 82

Parent Highway

NH 182A Route Map

NH82 near Uvari, Thisayanvilai, NH44 near Nanguneri Kalakkad

States & Union Territories

NH 182A passes through the following 1 state:

Tamil Nadu

Major Cities & Towns Along NH 182A

The highway passes through 3 major cities and towns:

●Uvari→●Thisayanvilai→●Nanguneri Kalakkad

View on Google Maps

NH 182A Start and End Point

Start Point (Origin)

Uvari

Junction point from route description

End Point (Terminus)

Nanguneri Kalakkad

Junction point from route description

Highway Classification

Highway NumberNH 182A

TypeSecondary/Branch Highway

Parent HighwayNH 82

Total Length52.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 182A

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 182A

⚠️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 182A pass through?

National Highway 182A passes through Tamil Nadu.

What are the major cities on National Highway 182A?

The major cities and towns along National Highway 182A include Uvari, Thisayanvilai, Nanguneri Kalakkad.

What is the total length of National Highway 182A?

The total length of National Highway 182A is 52.0 km.

Is National Highway 182A a primary or secondary national highway?

National Highway 182A is a secondary/branch national highway that branches from NH 82.

What is the speed limit on National Highway 182A?

The speed limit on National Highway 182A 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 182A? (Route Map)

National Highway 182A follows this route: NH82 near Uvari, Thisayanvilai, NH44 near Nanguneri Kalakkad.

Planning a Road Trip on NH 182A?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist