🛣️Secondary Highway

National Highway 383A (NH 383A)

NH 383A is a secondary/branch national highway, spanning 124.0 km through Tamil Nadu. It branches from NH 83.

124.0

Kilometres

State

Major Cities

NH 83

Parent Highway

NH 383A Route Map

NH-83 near Pollachi connecting Dharamapuram and terminating at its junction with NH-81 near Karur

States & Union Territories

NH 383A passes through the following 1 state:

Tamil Nadu

Highway Classification

Highway NumberNH 383A

TypeSecondary/Branch Highway

Parent HighwayNH 83

Total Length124.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 383A

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 383A

⚠️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 383A pass through?

National Highway 383A passes through Tamil Nadu.

What is the total length of National Highway 383A?

The total length of National Highway 383A is 124.0 km.

Is National Highway 383A a primary or secondary national highway?

National Highway 383A is a secondary/branch national highway that branches from NH 83.

What is the speed limit on National Highway 383A?

The speed limit on National Highway 383A 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 383A? (Route Map)

National Highway 383A follows this route: NH-83 near Pollachi connecting Dharamapuram and terminating at its junction with NH-81 near Karur.

Planning a Road Trip on NH 383A?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist