CORRIDOR DOSSIER INDEX // JP-GANGA-PATH-PATNA

JP Ganga Path Patna Route Map, Cost, Status & Latest Update (2026)

Last Updated: September 2026
StatusFully Operational
Length20.5 km (4-lane carriageway)
Open Sections20.5 km Open (Digha to Didarganj)
CompletionFully Operational (10 April 2025)
Last UpdatedSeptember 2026
The JP Ganga Path (Patna Marine Drive) is a 20.5 km 4-lane riverfront road corridor stretching from Digha to Didarganj along the Ganges River in Patna, featuring a 14 km elevated viaduct structure and 6.5 km embankment, developed by BSRDCL.

The Loknayak JP Ganga Path (popularly known as Patna Marine Drive) is a flagship 20.5 km 4-lane riverfront road corridor running parallel to the Ganges River in Patna, Bihar. Built at an official project cost of ₹3,831 crore, the corridor consists of a 14 km elevated viaduct and 6.5 km embankment/at-grade road.

Implemented by the Bihar State Road Development Corporation Limited (BSRDCL) and constructed by Navayuga Engineering Company Limited (NECL), the highway connects Digha in the west to Didarganj in the east via key interchanges at PMCH Hospital, Gai Ghat, and Kangan Ghat (Patna Sahib). The core 20.5 km route became fully operational on 10 April 2025, cutting travel time between Digha and Patna Sahib from over 90 minutes to under 20 minutes.

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Total Length20.5 km (4-lane carriageway)
Estimated Cost₹3,831 Crore (Official Project Cost)
Implementing AgencyBSRDCL (Bihar State Road Development Corporation Ltd)
Current StatusFully Operational
Completion TargetFully Operational (10 April 2025)
Route Map

JP Ganga Path Patna Route Map & Alignment

View and download the latest JP Ganga Path Patna route map showing the project alignment, major junctions, districts covered and connectivity corridors.

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Project Name📍 JP Ganga Path Patna
Total Length20.5 km (4-lane carriageway)
Estimated Cost₹3,831 Crore (Official Project Cost)
Current StatusFully Operational
Project Parameters & Technical Details

JP Ganga Path Patna Technical Specs & Project Parameters

ParameterTechnical Specification
Official Project NameJP Ganga Path Patna Route Map, Cost, Status & Latest Update (2026)
Total Corridor Length20.5 km (4-lane carriageway)
Estimated Cost₹3,831 Crore (Official Project Cost)
Implementing AuthorityBSRDCL (Bihar State Road Development Corporation Ltd)
Corridor Width / RoW4-lane carriageway (14 km elevated viaduct + 6.5 km embankment/at-grade road)
Corridor Start PointDigha (Patna, Bihar)
Corridor End PointDidarganj (Patna, Bihar)
Development ModelEPC Contract (BSRDC / Navayuga Engineering Co. Ltd)
Current Project StatusFully Operational
Target CompletionFully Operational (10 April 2025)

Corridor Alignment & Engineering Features

Corridor Alignment & Engineering Highlights

Spanning 20.5 km along the southern bank of the Ganges River, the JP Ganga Path is an engineering landmark in eastern India. Designed to withstand extreme seasonal flood levels, the alignment features 14 km of continuous elevated viaduct supported on deep pile foundations and 6.5 km of protected embankment. Dedicated ramps connect directly to emergency centers including PMCH (Patna Medical College Hospital) and historic hubs at Patna Sahib.

Implementation, Procurement & Phased Openings

The project was executed by BSRDCL under EPC contract awarded to Navayuga Engineering Company Ltd. Phase 1 (Digha to PMCH, ~7.5 km) was opened on 24 June 2022, followed by Phase 2 extensions to Gai Ghat (~4.8 km) on 14 August 2023, Kangan Ghat (~3 km) on 10 July 2024, and full operationalization up to Didarganj (~5 km) on 10 April 2025.

Proposed Extensions & Regional Connectivity

Following the operationalization of the core Digha–Didarganj route, on 23 August 2026 a ₹70,000-crore plan for a proposed 126-km Ganga Marine Drive corridor extending the existing JP Ganga Path network (~₹70,000 crore proposed investment, with ₹20,000 crore from the Bihar government and ₹50,000 crore expected from private investment) from Koilwar to Bakhtiyarpur was announced by state leadership.

Key Alignment Interchanges & Nodes Covered:
📍 Banashankari / Srinagar area📍 Hosakerehalli vicinity📍 Kengeri area📍 Sompura area
Timeline

Latest Developments

Verified project updates from news sources and official announcements
Video Coverage

Video Updates

Latest drone footage, progress reports, and ground coverage
Project Schedule

Latest Project Updates & Timeline

2013

Project Approval & Foundation

Government of Bihar approved the 20.5 km riverfront road corridor along the Ganges River in Patna and foundation stone was laid.

24 June 2022

Phase 1 Inauguration (Digha to PMCH)

Phase 1 stretching ~7.5 km from Digha to PMCH (Patna Medical College Hospital) was inaugurated for public traffic.

14 August 2023

Phase 2 Extension (PMCH to Gai Ghat)

Corridor extended ~4.8 km from PMCH to Gai Ghat (12.3 km total operational length).

10 July 2024

Phase 3 Extension (Gai Ghat to Kangan Ghat)

Corridor extended ~3 km from Gai Ghat to Kangan Ghat (Patna Sahib).

10 April 2025

Final Stretch Opening (Kangan Ghat to Didarganj)

Final ~5 km stretch opened from Kangan Ghat to Didarganj, making the complete 20.5 km core corridor fully operational.

23 August 2026

Proposed 126-km Expansion Corridor Announcement

Announcement of a ₹70,000-crore plan for a proposed 126-km Ganga Marine Drive corridor extending the existing JP Ganga Path network (~₹70,000 crore proposed investment, with ₹20,000 crore from the Bihar government and ₹50,000 crore expected from private investment) from Koilwar to Bakhtiyarpur.

General Inquiries

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