L&T’s Transportation Infrastructure business comprises two Strategic Business Groups (SBGs):

• Roads, Bridges & Formations (RBF)
• ailways Business Group (RBG)

Roads, Bridges & Formations (RBF)

Building the routes that drive progress, the Roads, Bridges & Formations (RBF) vertical provides world-class connectivity solutions that keep economies moving.

A leading infrastructure developer in India and West Asia, the RBF unit specialises in the construction of roads, elevated corridors, bridges and airport runways. Its expertise spans the design and execution of elevated corridors, superstructures, expressways, national and state highways, complex interchanges and bridge infrastructure.

This SBG also delivers advanced airside infrastructure solutions for both greenfield and brownfield civil and defence airports, including CAT IIIB-compliant runways, taxiways, aprons, service roads, elevated cross taxiways (ECTs), along with associated utilities and auxiliary systems.

Railways Business Group (RBG)

From enhancing urban transit to strengthening national logistics, the Railways Business Group (RBG) vertical builds rail infrastructure that moves people, propels economies and keeps nations on track for progress.

The RBG unit offers comprehensive solutions for the railways, Integrated Transit Systems and systems work for metro, semi-high speed and high-speed rail. The business executes mega projects on a ‘design-build’ basis in civil and track works, E&M works and S&T domains for mainline and freight corridors.

This SBG has executed systems works for metros in India, an Integrated Transit System in Mauritius, system integration works in Dhaka Metro, including CBTC signalling, and more recently in Jakarta Metro. The team is currently executing slab track works for major sections of the Mumbai–Ahmedabad High-Speed Rail (MAHSR), along with comprehensive electrification of the entire route

Roads, Bridges & Formations

New Orders [5]

• 2nd Saraighat Rail-cum-Road Bridge, Guwahati, Assam
• RTA 1029 / 2A Improvement of Latifa Bint Hamdan Street - Phase 1, Dubai, UAE
• Muriganga Bridge, West Bengal
• Hyderabad Greenfield Radial Road, Phase 2, Telangana
• Amaravati Capital City Development Zone 7, Andhra Pradesh

Track Record

Track Record

Ongoing Projects

• 16 Projects

Completed Projects

• Navi Mumbai International Airport, Maharashtra
• Bhogapuram International Airport, Andhra Pradesh
• Kachchi Dargah Bridge Project Phase 1, Bihar
• Ganga Expressway, Uttar Pradesh

Commissioned Projects

• Navi Mumbai International Airport, Maharashtra
• Kachchi Dargah Bridge Project Phase 1, Bihar

Railways SBG Snapshot

Key Offerings

• Integrated / composite railway projects
• Heavy-haul dedicated freight corridor
• Systems integration mainline projects
• Integrated mass transit systems (metro/LRT)
• System works – metro, semi high-speed & high-speed rail

New Orders [4]

• Track works: Package T1 – MAHSR Mumbai to Vapi (157 RKM)
• PSI, Traction, E&M: Mumbai Metro Rail Line 4&4A | Wadala - Kasarvadavali - Gaimukh (24 km)
• Dhaka Metro Line 6 Extension | Motijheel to Kamlapur (2.5 TKM)
• Ballastless Track Package: Mumbai Metro Rail Line 4 Bhaktipark – Mulund (20 km)

Track Record

* (cumulative till date)

• 21,677 TKM Railway electrification
• 6,029 TKM Railway track construction
• 1,394 TKM ^* Railway electrification
• 1,205 TKM ^* Railway track construction
• 23,071 TKM ^* Total OHE
• 7,234 TKM ^* Total track

* - Under Implementation

Ongoing Projects

• 21 Projects
• 19 Domestic
• 2 International

Completed Projects [8]

• Mumbai Metro Line 3 - Low Vibration Track in UG line : Cuffe Parade to SEEPZ (87 TKM) (Pkg 10B, 10C)
• Traction works for Mumbai Metro Line 3 : Cuffe Parade to Sariput Nagar (87 TKM) (Pkg 11B)
• RRTS Delhi-Meerut Slab Tracks : Entire section of mainline 182 TKM completed and in commercial operation
• WDFC Signalling & Telecom (STP-17) : Commissioning of JNPT to Vaitarna section (103 km)
• CORE EPC-6 (1,200 TKM) : CORE's largest electrification project (Rajasthan)
• CORE EPC 15A (459 TKM) : Electrification of various sections of North Frontier Railway
• IRCON NFR Pkg-2 (678 TKM) : Electrification in difficult terrains of Northeast India
• Electrification, Power Supply & SCADA Works : Jammu – Srinagar Rail Link Katra – Dharam (80 TKM)

Special Initiatives

• RBG’s foray into Integrated System Works including supply of rolling stock – Mumbai Metro Line 4 & 4A
• Big success in development of Heavy Haul Friction Buffer Stop – A giant leap in Heavy Haul Track infrastructure
• Adoption of Next Generation Construction Methods including Precast Plinth Track System (patent submitted), Precast Cylindrical Foundation for OHE mast
• Minor Bridge GA drawing fully automated using AutoLISP—resulting in a highly efficient workflow and securing Railway SBG’s first copyright
• Customised Dynamo-based automation module for Civil 3D & OpenRail Designer, enabling a 75% reduction in drawing preparation effort
• AI/ML platform enabling end-to-end autonomous BOM/ BOQ generation from Overhead Contact System layout plans, delivering over 98% accuracy and significantly reducing manual effort

Awards & Accolades

• Golden Peacock National Quality Award in the ‘Construction’ category for 2025
• Build India Awards 2025 (BIF) - Innovation Award for RRTS Track works & Special Jury Award ‘Bharat Beyond Borders’ for Mauritius Metro
• Autodesk Imagine Award 2025 - Industry Disruptor for Construction design automation in MAHSR
• DFC EMP 16 and CTP 14 - RoSPA Gold Medal Award 2025
• MAHSR T3 - 5-star Rating in BSC OHS Audit
• MAHSR T3 - Platinum Award in the construction category - 2nd Annual
• Green Enviro Safety Award 2026 and Environment Excellence - Gold Award from GREENENVIRO Foundatio

Key Geographies