logo

Patna–Purnia Greenfield Expressway

Sector: Mass Transit • Location: Bihar, India

Source: Construction World

Project
Planned

The Patna–Purnia Greenfield Expressway is a new expressway project in Bihar designed to reduce travel time between Patna and Purnia from over seven hours to three to four hours. The expressway will be 90 metres wide, extend to Chandbhatti village along the Purnia–Kishanganj NH-27, and include 21 major bridges, 140 minor bridges, 11 railway overbridges, 21 interchanges, and 322 underpasses. Additio

Status
Prospective
Sector
Mass Transit, Airport, Road, Rail, Bridge, Government
Location
Bihar, India
Updated
22 Jul 2026
Source
Construction World

ConstructChat

Ask ConstructChat about Patna–Purnia Greenfield Expressway

Pick a question to edit it, or write your own.

First answer free · no account

I am a

Project Information FAQ

Project Information

5 Q
The project “Patna–Purnia Greenfield Expressway” is an infrastructure initiative in the Mass Transit sector, located in Bihar, India. Taiyo aggregates data on it from Construction World.

Participants

Sponsoring Agency

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Patna–Purnia Greenfield Expressway is a new expressway project in Bihar designed to reduce travel time between Patna and Purnia from over seven hours to three to four hours. The expressway will be 90 metres wide, extend to Chandbhatti village along the Purnia–Kishanganj NH-27, and include 21 major bridges, 140 minor bridges, 11 railway overbridges, 21 interchanges, and 322 underpasses. Additional spur routes connecting Samastipur, Saharsa, and Madhepura to the main highway have also been approved. The route will integrate with the Patna Ring Road at Dighwara and improve access to Bihta Airport via a new bridge between Dighwara and Sherpur. The expressway is expected to enhance connectivity to Darbhanga and Purnia airports.

Original sector

Transport

Budget

Location

Country

India

State

Bihar

Source

Source

Construction World

URL

More Details

Record type

Project

Sector

Mass Transit, Airport, Road, Rail, Bridge, Government

Article published date

2025-09-16

More on this project

Research

Free account

View all details

You are reading the public part. A free account opens the rest:

  • Every detail on this project
  • News and media coverage
  • Technical research
View all details

Free account · no card · lands you back on this project