According to railways, the works for doubling the originating capacity by the year 2030 would include the following actions:
Redevelopment of Chennai Egmore railway station
The railway is redeveloping Chennai Egmore station into a world-class passenger hub while preserving its heritage character under Amrit Bharat Station Scheme (ABSS). As part of the modernisation work, the station will include following features:
- Airport-like separation of arriving and departing passengers
- Two new terminal buildings with centralised air-conditioning
- 44 lifts and 31 escalators ensuring seamless accessibility to all platforms
- A 14,000 sq.m. departure concourse (72 m wide)
- Through-roof covering all platforms (32,000 sq.m.)
- Multi-Level Car Parking (MLCP) with capacity for 400 cars and 200 two-wheelers
- World-class waiting halls, retiring rooms, executive lounges, food courts and shopping areas
- 7.6 MLD Sewage Treatment Plant, Centralised BMS, 100% DG backup
- GRIHA 4-star green rating
Redevelopment of Tambaram railway station
The national transporter is upgrading Tambaram, an important and long-distance rail hub, to enhance accessibility and passenger circulation. Key improvements include:
- 9 lifts and 10 escalators connecting all platforms
- Modernised booking counters and concourse
- Better integration between suburban and long-distance services
- Expanded parking and drop-off zones
- Improved waiting lounges and retiring rooms
Proposed New Terminal at Perambur
The new terminal at Perambur railway station will further decongest existing Chennai terminals. According to the Southern Rzailway, this new terminal will decongest Chennai Central and Egmore and improve operational flexibility. According to the zonal railway, the detailed project report (DPR) for the new terminal was submitted to the Railway Board on April 23, 2025, at an estimated cost of Rs 342 crore, with a provision for seven platforms.
271.7
Total Kilometers of Railway Projects (All Phases)
2
Commissioned & In-Progress
Commissioned & In-Progress (2 Projects)
| Project Name |
Distance |
Status |
| Chennai Beach – Chennai Egmore 4th Line |
4.30 km |
Commissioned |
|
Enhancing suburban frequency and operational efficiency for 6 crore daily commuters
|
| MRTS Phase-II: Velachery – St Thomas Mount |
— |
Nearing Completion |
Newly Sanctioned Projects (3 Projects – 59.44 km)
| Project Name |
Distance |
Status |
| Attipattu – Gummidipundi 3rd & 4th Line |
22.52 km |
Sanctioned |
|
Sanctioned on 02.07.2025, ESP under divisional approval
|
| Tambaram – Chengalpattu 4th Line |
30.02 km |
Sanctioned |
| Ambattur – Villivakkam 5th & 6th Twin Single Line |
6.4 km |
Sanctioned |
DPRs Cleared (5 Projects – 207.96 km)
| Project Name |
Distance |
Status |
| Irugur – Podanur Doubling |
11 km |
DPR Cleared |
| Gummidipundi – Gudur 3rd & 4th Line |
89.96 km |
DPR Cleared |
| Arakkonam – Renigunta 3rd & 4th Line |
76 km |
DPR Cleared |
| Arakkonam – Chengalpattu Doubling |
68 km |
DPR Cleared |
| Guduvancheri – Sriperumbudur – Irungattukottai New Line (Phase-I) |
34 km |
DPR Cleared |
|
Part of Avadi–Sriperumbudur–Guduvancheri New Line project
|
Impact: These projects will ease congestion, segregate suburban and long-distance traffic, and substantially improve punctuality and capacity for Chennai's 6 crore daily commuters
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Expansion of coaching terminal in Coimbatore City
A major rail hub in western Tamil Nadu, Coimbatore’s railway network includes Coimbatore Junction, Coimbatore North, Podanur Junction, Peelamedu, Singanallur and Irugur. These stations together handle a high volume of long-distance, intercity, passenger and freight traffic.
New terminal at Podanur Junction
The railway is developing Podanur Junction as Coimbatore’s second terminal to reduce load on Coimbatore Junction. With an investment of Rs 100 crore, the project includes key infrastructure works such as terminal facilities, stabling lines, pit lines and yard re-organisation.
Apart from these, under the ABSS, station redevelopment works costing about Rs 24 crore are underway, covering platform improvements and enhanced passenger amenities.
“A substantial portion of the station redevelopment works is nearing completion, while terminal-related works are progressing in phases. On completion, Podanur is expected to originate/terminate select train services, significantly easing congestion at Coimbatore Junction,” SR said.
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Redevelopment of Coimbatore North railway station
The Coimbatore North railway station is being redeveloped under the ABSS at an estimated cost of Rs 11.5 crore. It aims to strengthen Coimbatore North station’s role as a satellite station supporting Coimbatore Junction. Key works include:
- New entry and exit points for improved accessibility.
- Upgraded station building, booking counters, waiting halls and passenger amenities.
- Improved circulating area, parking facilities and pedestrian access.
Redevelopment of Coimbatore Junction
The Southern Railway zone has submitted a proposal to Railway Board to redevelop Coimbatore Junction under PPP mode at an estimated cost of Rs 692.65 crore.
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Indian Railways coaching terminal expansion in Kochi (Ernakulam)
The city of Kochi (Ernakulam) is one of the crucial railway hub connecting Kerala with other parts of the country. The city’s rail ecosystem encompasses Ernakulam Junction, Ernakulam Town and Tripunithura stations, which collectively handle a substantial share of passenger and freight traffic.
Redevelopment of Ernakulam Town railway station
The modernisation work of Ernakulam Town railway station has been planned in two phases at a total cost of Rs 150.28 crore, with phasing designed to ensure uninterrupted passenger operations during construction. According to the SR, phase 1 is underway in the southern part of the station area.
Phase I Commissioning Targeted
Major structural works completed with finishing in progress
Structural Works Completed
| Component |
Status |
Progress Details |
| West Terminal Building |
Completed |
Segment I (G + Mezzanine + 3): RCC structural works completed, finishing works in progress
|
| Multilevel Car Parking |
Completed |
(G + 6): RCC structural works completed for 200 cars; fire protection, painting and finishing works in progress
|
| 12m Wide FOB |
In Progress |
Foundation works completed; fabrication commenced at RDSO-approved workshop, Katpadi
|
Works In Progress
| Component |
Status |
Progress Details |
| Platform Development |
In Progress |
Platform development works underway
|
| Toilet Building at PF 2 |
In Progress |
Additional toilet building construction at Platform 2
|
Planned Activities
| Component |
Status |
Progress Details |
| Station Office Relocation |
Planned |
Existing station offices and passenger operations to be shifted to nearing-completion building
|
| Old Building Dismantling |
Planned |
Dismantling of old buildings on the north side to commence after office relocation
|
Phase I Commissioning Target
May 2026
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Redevelopment of Ernakulam Junction and Tripunithura stations
At Ernakulam Junction, the redevelopment project has been retendered and works will commence shortly, while redevelopment works at Tripunithura station are in the final phase.
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According to the Southern Railway, these infrastructure projects will not only address present-day demand of these cities but also meet the mobility needs of the next several decades.