🛣️Secondary Highway

National Highway 381A (NH 381A)

Vellakoil to Sankakiri — 72.0 km

NH 381A is a secondary/branch national highway connecting Vellakoil to Sankakiri, spanning 72.0 km through Tamil Nadu. It branches from NH 81.

72.0

Kilometres

State

Major Cities

NH 81

Parent Highway

NH 381A Route Map

NH81 near Vellakoil, Mettupalayam, Ayyampalayam, Kumarandisavadi, Muthur, Muthainvalasu, Elumathur, Modakuruchi, Thannerpanthal, Sakthi Nagar (in Erode), Pallipalayam, Veppadai, Padaiveedu, NH544 near Sankakiri

States & Union Territories

NH 381A passes through the following 1 state:

Tamil Nadu

Major Cities & Towns Along NH 381A

The highway passes through 14 major cities and towns:

●Vellakoil→●Mettupalayam→●Ayyampalayam→●Kumarandisavadi→●Muthur→●Muthainvalasu→●Elumathur→●Modakuruchi→●Thannerpanthal→●Sakthi Nagar (in Erode)→●Pallipalayam→●Veppadai→●Padaiveedu→●Sankakiri

View on Google Maps

NH 381A Start and End Point

Start Point (Origin)

Vellakoil

Junction point from route description

End Point (Terminus)

Sankakiri

Junction point from route description

Highway Classification

Highway NumberNH 381A

TypeSecondary/Branch Highway

Parent HighwayNH 81

Total Length72.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 381A

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 381A

⚠️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 381A pass through?

National Highway 381A passes through Tamil Nadu.

What are the major cities on National Highway 381A?

The major cities and towns along National Highway 381A include Vellakoil, Mettupalayam, Ayyampalayam, Kumarandisavadi, Muthur, Muthainvalasu, Elumathur, Modakuruchi, Thannerpanthal, Sakthi Nagar (in Erode), Pallipalayam, Veppadai, Padaiveedu, Sankakiri.

What is the total length of National Highway 381A?

The total length of National Highway 381A is 72.0 km.

Is National Highway 381A a primary or secondary national highway?

National Highway 381A is a secondary/branch national highway that branches from NH 81.

What is the speed limit on National Highway 381A?

The speed limit on National Highway 381A 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 381A? (Route Map)

National Highway 381A follows this route: NH81 near Vellakoil, Mettupalayam, Ayyampalayam, Kumarandisavadi, Muthur, Muthainvalasu, Elumathur, Modakuruchi, Thannerpanthal, Sakthi Nagar (in Erode), Pallipalayam, Veppadai, Padaiveedu, NH544 near Sankakiri.

Planning a Road Trip on NH 381A?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist