🛣️Secondary Highway

National Highway 175K (NH 175K)

Kollegala to Talamalai — 78.3 km

NH 175K is a secondary/branch national highway connecting Kollegala to Talamalai, spanning 78.3 km through Karnataka, Tamil Nadu. It branches from NH 75.

78.3

Kilometres

States

Major Cities

NH 75

Parent Highway

NH 175K Route Map

NH175 near Kollegala, Dhondenling, NH948 near Talamalai

States & Union Territories

NH 175K passes through the following 2 states:

KarnatakaTamil Nadu

Major Cities & Towns Along NH 175K

The highway passes through 3 major cities and towns:

●Kollegala→●Dhondenling→●Talamalai

View on Google Maps

NH 175K Start and End Point

Start Point (Origin)

Kollegala

Junction point from route description

End Point (Terminus)

Talamalai

Junction point from route description

Highway Classification

Highway NumberNH 175K

TypeSecondary/Branch Highway

Parent HighwayNH 75

Total Length78.3 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 175K

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 175K

⚠️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 175K pass through?

National Highway 175K passes through Karnataka, Tamil Nadu.

What are the major cities on National Highway 175K?

The major cities and towns along National Highway 175K include Kollegala, Dhondenling, Talamalai.

What is the total length of National Highway 175K?

The total length of National Highway 175K is 78.3 km.

Is National Highway 175K a primary or secondary national highway?

National Highway 175K is a secondary/branch national highway that branches from NH 75.

What is the speed limit on National Highway 175K?

The speed limit on National Highway 175K 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 175K? (Route Map)

National Highway 175K follows this route: NH175 near Kollegala, Dhondenling, NH948 near Talamalai.

Planning a Road Trip on NH 175K?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist