🛣️Secondary Highway

National Highway 377 (NH 377)

Singarapettai to Bargur — 63.0 km

NH 377 is a secondary/branch national highway connecting Singarapettai to Bargur, spanning 63.0 km through Tamil Nadu. It branches from NH 77.

63.0

Kilometres

State

Major Cities

NH 77

Parent Highway

NH 377 Route Map

NH77 near Singarapettai, Tirupathur, NH48 near Bargur

States & Union Territories

NH 377 passes through the following 1 state:

Tamil Nadu

Major Cities & Towns Along NH 377

The highway passes through 3 major cities and towns:

●Singarapettai→●Tirupathur→●Bargur

View on Google Maps

NH 377 Start and End Point

Start Point (Origin)

Singarapettai

Junction point from route description

End Point (Terminus)

Bargur

Junction point from route description

Highway Classification

Highway NumberNH 377

TypeSecondary/Branch Highway

Parent HighwayNH 77

Total Length63.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 377

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 377

⚠️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 377 pass through?

National Highway 377 passes through Tamil Nadu.

What are the major cities on National Highway 377?

The major cities and towns along National Highway 377 include Singarapettai, Tirupathur, Bargur.

What is the total length of National Highway 377?

The total length of National Highway 377 is 63.0 km.

Is National Highway 377 a primary or secondary national highway?

National Highway 377 is a secondary/branch national highway that branches from NH 77.

What is the speed limit on National Highway 377?

The speed limit on National Highway 377 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 377? (Route Map)

National Highway 377 follows this route: NH77 near Singarapettai, Tirupathur, NH48 near Bargur.

Planning a Road Trip on NH 377?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist