🛣️Under ConstructionEast India

Patna–Purnia Expressway

Patna (Bihar) to Purnia (Bihar) — 292 km · 4 lanes (expandable to 6)

A 292 km greenfield expressway connecting Patna to Purnia in eastern Bihar. Part of the Bihar expressway development plan, it improves connectivity to the Seemanchal region.

292

Kilometres

Lanes

120 km/h

Speed Limit

State

Patna-Purnia Expressway Route Map

Patna, Lakhisarai, Jamui, Banka, Bhagalpur, Katihar, Purnia

Patna-Purnia Expressway Start and End Point

Start Point (Origin)

Patna (Bihar)

End Point (Terminus)

Purnia (Bihar)

States & Union Territories

Bihar

Major Cities & Towns

●Patna→●Lakhisarai→●Jamui→●Banka→●Bhagalpur→●Katihar→●Purnia

View on Google Maps

Key Features

●Connects state capital to Seemanchal region
●Part of Bihar expressway development plan
●Will improve access to Nepal border area

Project Details

NamePatna–Purnia Expressway

Total Length292 km

Lanes4 lanes (expandable to 6)

Speed Limit120 km/h

StatusUnder Construction

Operator / DeveloperNational Highways Authority of India (NHAI)

Expected Completion2027

Project CostRs 15,000 Crore

RegionEast India

Safety Tips for Driving on the Patna-Purnia Expressway

⚠️Strictly follow the speed limit of 120 km/h. Overspeeding on expressways attracts heavy fines.
⚠️Always wear seatbelts. Rear-seat passengers must also buckle up on expressways.
⚠️Do not stop on the main carriageway. Use designated rest areas and parking zones.
⚠️Maintain lane discipline — use the right lane only for overtaking.
⚠️Keep a safe following distance of at least 3 seconds at expressway speeds.
⚠️Use headlights even during daytime as per expressway rules.
⚠️In case of breakdown, move to the shoulder immediately and use hazard lights.
⚠️In an emergency, call 112 (Unified Emergency) or 1033 (Highway Helpline).

Frequently Asked Questions

What is the total length of the Patna-Purnia Expressway?

The Patna-Purnia Expressway has a total length of 292 km. It connects Patna (Bihar) to Purnia (Bihar).

What is the current status of the Patna-Purnia Expressway?

The Patna-Purnia Expressway is currently under construction and is expected to be completed by 2027.

Which states does the Patna-Purnia Expressway pass through?

The Patna-Purnia Expressway passes through Bihar.

What is the speed limit on the Patna-Purnia Expressway?

The speed limit on the Patna-Purnia Expressway is 120 km/h.

How many lanes does the Patna-Purnia Expressway have?

The Patna-Purnia Expressway has 4 lanes (expandable to 6).

What is the cost of the Patna-Purnia Expressway project?

The Patna-Purnia Expressway project has an estimated cost of Rs 15,000 crore.

What are the major cities connected by the Patna-Purnia Expressway?

The major cities and towns along the Patna-Purnia Expressway include Patna, Lakhisarai, Jamui, Banka, Bhagalpur, Katihar, Purnia.

Who is the operator of the Patna-Purnia Expressway?

The Patna-Purnia Expressway is operated/developed by National Highways Authority of India (NHAI).

What are the key features of the Patna-Purnia Expressway?

Key features of the Patna-Purnia Expressway include: Connects state capital to Seemanchal region; Part of Bihar expressway development plan; Will improve access to Nepal border area.

Planning a Trip on the Patna-Purnia Expressway?

Check out our road safety guides and expressway speed limits.

Road Safety Rules Expressway Speed Limits National Highways