🛣️Secondary Highway

National Highway 315 (NH 315)

Makum to border — 111.0 km

NH 315 is a secondary/branch national highway connecting Makum to border, spanning 111.0 km through Assam. It branches from NH 15.

111.0

Kilometres

State

Major Cities

NH 15

Parent Highway

NH 315 Route Map

(NH153) Makum, Ledo, Lekhapani, border

States & Union Territories

NH 315 passes through the following 1 state:

Assam

Major Cities & Towns Along NH 315

The highway passes through 4 major cities and towns:

●Makum→●Ledo→●Lekhapani→●border

View on Google Maps

NH 315 Start and End Point

Start Point (Origin)

Makum

Junction point from route description

End Point (Terminus)

border

Junction point from route description

Highway Classification

Highway NumberNH 315

TypeSecondary/Branch Highway

Parent HighwayNH 15

Total Length111.0 km

Numbering SystemPost-2010 (New)

Managed ByNHAI / MoRTH

Speed Limit on NH 315

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 315

⚠️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 315 pass through?

National Highway 315 passes through Assam.

What are the major cities on National Highway 315?

The major cities and towns along National Highway 315 include Makum, Ledo, Lekhapani, border.

What is the total length of National Highway 315?

The total length of National Highway 315 is 111.0 km.

Is National Highway 315 a primary or secondary national highway?

National Highway 315 is a secondary/branch national highway that branches from NH 15.

What is the speed limit on National Highway 315?

The speed limit on National Highway 315 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 315? (Route Map)

National Highway 315 follows this route: (NH153) Makum, Ledo, Lekhapani, border.

Planning a Road Trip on NH 315?

Check out our road safety guides and highway speed limits.

Road Safety Rules Highway Speed Limits Road Trip Checklist