12.4 km Underground Metro Corridor Construction Begins: Inderlok-Indraprastha, 10 Stations, Driverless by 2030

India Metro Expansion at 1,100 km: Ridership Gaps vs Urban Needs – Key Facts

India's metro network has grown fourfold to 1,100 km, but most new systems struggle with ridership (25-35% of projections) and high debt. The article examines the tension between metro as a prestige project and the need for integrated, affordable urban transit – a key GS-3 (infrastructure/urbanization) and GS-2 (governance/policy) issue for exams.

Second Saraighat Double-Decker Bridge: Construction Begins for 1.3 km Rail-Cum-Road Link Over Brahmaputra

Construction has begun on the Second Saraighat Bridge, a double-decker rail-cum-road bridge over the Brahmaputra in Assam, along with 7.2 km of railway track doubling. This project, under Northeast Frontier Railway (NFR) and executed by L&T, aims to boost multimodal connectivity in the Northeast. For exams, focus on the bridge's specifications: 1.3 km length, two rail lines, three-lane road, and the integration with NHAI road approaches.

Cabinet Approves ₹8,970 Cr, 135.87 km NH-15 Guwahati-Tezpur Corridor with ELF for IAF

The Union Cabinet approved a 135.87 km, ₹8,970 crore Guwahati-Tezpur corridor on NH-15 in Assam, developed on BOT toll mode. It includes an emergency landing facility (ELF) for IAF, five bypasses, and connectivity to 8 PM Gati Shakti economic nodes. This project is a high-yield topic for Prelims data and Mains infrastructure/regional development.

CAG Flags E. coli Contamination in Drinking Water at 8 Railway Stations, Violates Water Quality Protocol

CAG's audit of Indian Railways' passenger amenities has revealed E. coli contamination in drinking water at 8 stations, exposing serious lapses in water quality testing and violation of the Uniform Drinking Water Quality Protocol. This report underscores failures in public health infrastructure and accountability of railway authorities.

Railway Board Approves MRTS-Chennai Metro Merger: 2-Year Transition, 21 Stations Handed Over

After a 15-year wait since the proposal in 2011, the Railway Board has approved the merger of the Mass Rapid Transit System (MRTS) with Chennai Metro Rail Limited (CMRL). This marks a major urban infrastructure reform in Chennai, involving a two-year transition, handover of 21 stations, and creation of a special committee for oversight.

Triangular Security Grid Approved for Siliguri Corridor: Garrisons at Dhubri, Kishanganj, Chopra

Home Minister Amit Shah reviewed security of the Siliguri Corridor (Chicken's Neck) and announced a 'Triangular Security Grid' with three new military garrisons at Dhubri (Assam), Kishanganj (Bihar), and Chopra (West Bengal). This is critical for national security as the corridor is the only land link connecting 8 northeastern states to the rest of India.

NH-66 Keralam's 622-km Stretch to Be India's First E-Truck Corridor Under PM E-Drive

Kerala's 622 km NH-66 stretch from Thiruvananthapuram to Kasaragod is being developed as India's first e-truck corridor under PM E-Drive. A KSEB-ICCT study estimates ₹19 crore initial investment for 12.5 MW charging capacity, rising to ₹338 crore and 1,939 chargers by 2050. This is a high-yield data point for environment, infrastructure and scheme-based MCQs.

PM Modi Inaugurates Last 3 WDFC Sections; 1,506-km Western Freight Corridor Completes JNPT-Dadri Link

The completion of the Western Dedicated Freight Corridor (WDFC) marks a key logistics milestone: India now has 2,843 km of dedicated freight rail corridors carrying about 426 trains daily. This infrastructure push aims to raise rail's freight share from 27% to 45% by 2030, cutting transit time and cost while easing congested trunk routes. For exams, remember the WDFC/EDFC routes, DFCCIL, and the 2025-26 record loading of 1,670 million tonnes.