🛣️South IndiaPrimary Highway

National Highway 78 (NH 78)

Naraharipeta to Anchetty — 260.0 km

NH 78 is a primary national highway connecting Naraharipeta to Anchetty, spanning 260.0 km through Andhra Pradesh, Tamil Nadu.

260.0

Kilometres

States

Major Cities

NH 78

Parent Highway

NH 78 Route Map

NH40 near Naraharipeta, Katpadi, Vellore, Alangalayam, Tirupattur, Pochampalli, Dharmapuri, Pennagaram, Hogenakkal Pumarathukuzi, Sivalingapuram, Anchetty

States & Union Territories

NH 78 passes through the following 2 states:

Andhra PradeshTamil Nadu

Major Cities & Towns Along NH 78

The highway passes through 11 major cities and towns:

●Naraharipeta→●Katpadi→●Vellore→●Alangalayam→●Tirupattur→●Pochampalli→●Dharmapuri→●Pennagaram→●Hogenakkal Pumarathukuzi→●Sivalingapuram→●Anchetty

View on Google Maps

NH 78 Start and End Point

Start Point (Origin)

Naraharipeta

End Point (Terminus)

Anchetty

Highway Classification

Highway NumberNH 78

TypePrimary National Highway

Total Length260.0 km

RegionSouth India

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 78

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 78

⚠️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 78 start and end?

National Highway 78 starts from Naraharipeta and ends at Anchetty, covering a total distance of 260.0 km.

Which states does National Highway 78 pass through?

National Highway 78 passes through Andhra Pradesh, Tamil Nadu.

What are the major cities on National Highway 78?

The major cities and towns along National Highway 78 include Naraharipeta, Katpadi, Vellore, Alangalayam, Tirupattur, Pochampalli, Dharmapuri, Pennagaram, Hogenakkal Pumarathukuzi, Sivalingapuram, Anchetty.

What is the total length of National Highway 78?

The total length of National Highway 78 is 260.0 km.

Is National Highway 78 a primary or secondary national highway?

National Highway 78 is a primary national highway in India's post-2010 numbering system.

What is the speed limit on National Highway 78?

The speed limit on National Highway 78 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 78? (Route Map)

National Highway 78 follows this route: NH40 near Naraharipeta, Katpadi, Vellore, Alangalayam, Tirupattur, Pochampalli, Dharmapuri, Pennagaram, Hogenakkal Pumarathukuzi, Sivalingapuram, Anchetty — starting at Naraharipeta and ending at Anchetty.

Planning a Road Trip on NH 78?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist