Research source library
Official and credible sources collected for transit research across Indian cities. Each source is recorded with what it can support, a confidence rating, and a review status. Sources here are not yet verified or migrated to public pages.
Coverage summary
Collections
5
Sources
41
High confidence
39
Pending review
13
Reviewed for scope
27
Conflict noted
1
Bangalore Metro Rail Corporation — Official source collection
bangalore · metro
Sources from BMRCL, PIB, and official government press briefings for Bengaluru Metro atlas and tracker verification.
Sources: 5
By type: 3 Official, 2 News
Confidence: 5 high
Review: 1 pending, 3 reviewed, 1 conflict
Latest retrieved: 2026-07-17
| Source | Type | Supports | Confidence | Review | Retrieved |
|---|---|---|---|---|---|
| BMRCL Official Home Bangalore Metro Rail Corporation Limited | Official | Top-level confirmation of BMRCL as the implementing agency, with links to network information, project updates, and corporate pages. | High | Pending review | 2026-07-17 |
| Bengaluru Development Minister Metro Review Press Conference The Hindu | News | Official minister briefing on 19 June 2026 detailing Phase 2A trial-run schedule, Phase 2B section targets, Pink Line deadlines, and current network length (96 km). Used for timeline and scope updates on the Blue Line project packet. | High | Reviewed for scope | 2026-07-17 |
| Cabinet approves Bangalore Metro Rail Project Phase 2A and Phase 2B Press Information Bureau | Official | Union Cabinet approval of Phase 2A and Phase 2B on 20 April 2021. Combined length 58.19 km, combined cost Rs. 14,788.101 crore, route scope. | High | Reviewed for scope | 2026-07-17 |
| India, ADB sign $500 million loan to expand Metro Rail Network in Bengaluru Press Information Bureau (Ministry of Finance) | Official | ADB loan signing on 23 August 2021. Describes two new metro lines totaling 56 km with 30 stations. | High | Conflict noted | 2026-07-17 |
| Bengaluru Metro Blue Line trial run in Oct; Aug 15 deadline for Pink Line The Times of India | News | Detailed report on the 19 June 2026 minister review with Phase 2A trial-run schedule, Phase 2B timeline, Pink Line deadlines, labour shortage context, and current operational network length of 96 km. | High | Reviewed for scope | 2026-07-17 |
Bengaluru Metro Rail Corporation — Official source collection
bengaluru · metro
Sources from bmrc.co.in and associated BMRCL domains. Collected for future verification work on Bengaluru Metro atlas and tracker data. No facts from these sources have been migrated to public pages.
Sources: 8
By type: 4 Official, 2 Network map, 1 Annual report, 1 Contact
Confidence: 7 high, 1 medium
Review: 3 pending, 5 reviewed
Latest retrieved: 2026-07-06
| Source | Type | Supports | Confidence | Review | Retrieved |
|---|---|---|---|---|---|
| BMRCL Official Home Bangalore Metro Rail Corporation Limited | Official | Top-level confirmation of BMRCL as operator and a navigation entry point to official network, map, annual-report, and contact pages. | High | Pending review | 2026-07-06 |
| BMRCL Metro Network Bangalore Metro Rail Corporation Limited | Official | Official network and corridor structure overview for named phases, route groupings, and broad topology. | High | Pending review | 2026-07-06 |
| BMRCL Schematic Route Map Bangalore Metro Rail Corporation Limited | Network map | Static schematic route map for line colours, interchange locations, and broad network topology. | High | Pending review | 2026-07-06 |
| BMRCL Annual Reports Bangalore Metro Rail Corporation Limited | Annual report | Official annual reports with network length, station count, ridership figures, financial data, and operational statistics. Can support ridership verification, network-km confirmation, and financial context for tracker records. | High | Reviewed for scope | 2026-07-06 |
| BMRCL Phase 1/2/2A/2B Map Bangalore Metro Rail Corporation Limited | Network map | Detailed phase-wise route map showing Phase 1, Phase 2, Phase 2A, and Phase 2B corridors with station locations and line colours. Can support phase-level verification, station enumeration, and corridor-specific checks. | High | Reviewed for scope | 2026-07-06 |
| BMRCL Contact Bangalore Metro Rail Corporation Limited | Contact | Official contact channels for BMRCL including customer care, corporate office address, and helpline. Can support publisher verification and provide a path for data clarification requests. | Medium | Reviewed for scope | 2026-07-06 |
| PIB Phase 2A and 2B Approval Press Information Bureau, Government of India | Official | Union Cabinet approval press release for Bengaluru Metro Phase 2A and Phase 2B with project scope, cost estimates, and implementation timeline. Can support phase approval verification, cost confirmation, and programme scope checks. | High | Reviewed for scope | 2026-07-06 |
| PIB Yellow Line Inauguration Press Information Bureau, Government of India | Official | Official inauguration press release for Bengaluru Metro Yellow Line with operational launch details, station count, and project context. Can support operational status verification, inauguration date confirmation, and line-specific fact checks. | High | Reviewed for scope | 2026-07-06 |
Chennai Metro Rail Limited — Official source collection
chennai · metro
Sources from chennaimetrorail.org and PIB. Collected for future verification work on Chennai Metro atlas and tracker data, including the Phase II programme record. No facts from these sources have been migrated to public pages. CMRL and PIB timeline references do not always align, so schedule claims need careful source selection.
Sources: 10
By type: 6 Official, 1 Corporate, 1 Annual report, 2 Network map
Confidence: 10 high
Review: 7 pending, 3 reviewed
Latest retrieved: 2026-07-06
| Source | Type | Supports | Confidence | Review | Retrieved |
|---|---|---|---|---|---|
| CMRL Official Home Chennai Metro Rail Limited | Official | Top-level confirmation of CMRL as operator, current network status, and links to sub-pages for Phase II, maps, annual reports, and corporate information. | High | Pending review | 2026-07-06 |
| CMRL Corporate Profile Chennai Metro Rail Limited | Corporate | Corporate background, organisational structure, and ownership model for CMRL. Can support operator and ownership fields on the Chennai Metro system record. | High | Reviewed for scope | 2026-07-06 |
| CMRL Annual Reports Chennai Metro Rail Limited | Annual report | Official annual reports with network length, station count, ridership figures, financial data, and operational statistics. Can support ridership verification, network-km confirmation, and financial context for tracker records. | High | Pending review | 2026-07-06 |
| CMRL Project Status Chennai Metro Rail Limited | Official | Official current status of operational Phase 1 and extensions versus Phase II construction, including package award summary and target completion dates. Can support operational-vs-under-construction status verification and programme-milestone checks for the Chennai Metro Phase II tracker record. | High | Reviewed for scope | 2026-07-06 |
| CMRL Phase 2 Programme Chennai Metro Rail Limited | Official | Official Phase II corridor details, staged programme scope, and implementation framing for the Chennai Metro Rail Project Phase II. Can support future verification of the staged Chennai Phase II tracker record, including programme scope and corridor descriptions. | High | Pending review | 2026-07-06 |
| CMRL Awarded Tenders Chennai Metro Rail Limited | Official | Official contract-award listings for Chennai Metro procurement, including awarded package details and contractor identification. Can support future verification of Phase II procurement milestones and contractor confirmation for tracker records. | High | Pending review | 2026-07-06 |
| CMRL Line Map (PDF) Chennai Metro Rail Limited | Network map | Static PDF network map showing operational Phase 1 and extension lines, stations, colours, and interchanges. Can support line-count verification, station enumeration, line-colour matching, and interchange confirmation for the operational network. | High | Pending review | 2026-07-06 |
| CMRL Phase II Map (PDF) Chennai Metro Rail Limited | Network map | Static PDF map showing Phase II corridor scope, station layout, and line alignment for the Chennai Metro Rail Project Phase II. Can support corridor-level verification, station enumeration, and phase-specific network topology checks. | High | Pending review | 2026-07-06 |
| PIB Chennai Metro Phase II Cabinet Approval Press Information Bureau, Government of India | Official | Union Cabinet approval press release for Chennai Metro Rail Project Phase II with official programme scope of 118.9 km, 128 stations, and Rs 63,246 crore cost, along with route details and implementation timeline. Can support phase approval verification, cost confirmation, and programme scope checks for the Chennai Phase II tracker record. | High | Reviewed for scope | 2026-07-06 |
| CMRL Tender Page Chennai Metro Rail Limited | Official | Live tender notices, procurement invitations, and bid-stage documents for project and operations work. Can support future verification of current procurement activity and tender-stage milestones for Chennai Metro and Phase II packages. | High | Pending review | 2026-07-06 |
Delhi Metro Rail Corporation — Official source collection
delhi · metro
Sources from delhimetrorail.com and associated DMRC domains. Collected for verification work on Delhi Metro atlas and tracker data. The Blue Line (Line 3) page is the primary source for line-level verification.
Sources: 8
By type: 1 Official, 2 Line page, 1 Corporate, 2 Network map, 1 Annual report, 1 Contact
Confidence: 7 high, 1 medium
Review: 2 pending, 6 reviewed
Latest retrieved: 2026-07-17
| Source | Type | Supports | Confidence | Review | Retrieved |
|---|---|---|---|---|---|
| DMRC Official Home Delhi Metro Rail Corporation | Official | Top-level confirmation of DMRC as operator, current network status, and links to sub-pages for lines, maps, and corporate information. | High | Reviewed for scope | 2026-07-17 |
| DMRC Blue Line (Line 3) Official Page Delhi Metro Rail Corporation | Line page | Official Blue Line page listing station sequence from Noida Electronic City to Dwarka Sector 21, terminal stations, line identity (name and colour), and operational state. Can support line-level identity, terminal, station-sequence, and operational-state verification for the Blue Line main line. | High | Reviewed for scope | 2026-07-17 |
| DMRC Corporate Overview Delhi Metro Rail Corporation | Corporate | Corporate background, organisational structure, and ownership model for DMRC. Can support operator and ownership fields on the Delhi Metro system record. | High | Reviewed for scope | 2026-07-17 |
| DMRC Official Network Map (static) Delhi Metro Rail Corporation | Network map | Static network map showing all operational lines, their colours, and interchange stations. Can support line-count verification, interchange identification, and network topology checks. | High | Reviewed for scope | 2026-07-17 |
| DMRC Official Interactive Map Delhi Metro Rail Corporation | Network map | Interactive route map with line selection and station details. Can support station-level verification, line-colour matching, and interchange confirmation. | High | Reviewed for scope | 2026-07-17 |
| DMRC Annual Report 2024-2025 (English) Delhi Metro Rail Corporation | Annual report | Official annual report with network length (394.25 km including NMRC Aqua Line and Rapid Metro Gurugram), 289 stations across 12 lines, daily ridership of approx. 6.31 million, and financial data for FY 2024-25. Can support network-level figures for the DMRC reporting scope. | High | Reviewed for scope | 2026-07-17 |
| DMRC Yellow Line Page Delhi Metro Rail Corporation | Line page | Official line page for the Yellow Line (Line 2) with station list, route details, and line-specific information. | High | Pending review | 2026-07-17 |
| DMRC Contact Us Delhi Metro Rail Corporation | Contact | Official contact channels for DMRC including customer care, corporate office address, and helpline. Can support publisher verification. | Medium | Pending review | 2026-07-17 |
Hyderabad Metro Rail — Official source collection
hyderabad · metro
Sources from hmrl.co.in, ltmetro.com, and telangana.gov.in. Collected for verification work on Hyderabad Metro atlas and tracker data. HMRL official site provides Phase I network details; Phase II proposal scope is documented separately.
Sources: 10
By type: 7 Official, 1 Corporate, 2 Network map
Confidence: 10 high
Review: 10 reviewed
Latest retrieved: 2026-07-17
| Source | Type | Supports | Confidence | Review | Retrieved |
|---|---|---|---|---|---|
| HMRL Official Home Hyderabad Metro Rail Limited (HMRL) | Official | Top-level confirmation of HMRL as the implementing authority and a navigation entry point to Phase II, tenders, and corporate information pages. The site is the authoritative home for Hyderabad Metro governance and programme updates. | High | Reviewed for scope | 2026-07-17 |
| HMRL About Page — Phase I Network Details Hyderabad Metro Rail Limited (HMRL) | Official | Official Phase I network description: 69 km total, 3 corridors (Red: Miyapur-LB Nagar 29 km 27 stations; Green: JBS-MGBS 11 km 10 stations; Blue: Nagole-Raidurg 29 km 23 stations). Documents opening dates from November 2017 through February 2020. Can support network-length, station-count, line-count, and opening-chronology verification for the operational Phase I network. | High | Reviewed for scope | 2026-07-17 |
| HMRL Services Page — Station Listing Hyderabad Metro Rail Limited (HMRL) | Official | Station listing organised by corridor with 60 stations across 3 corridors (27+10+23). Documents the operational Phase I station set. Can support station-enumeration and corridor-level station-count verification. | High | Reviewed for scope | 2026-07-17 |
| HMRL Phase II Page Hyderabad Metro Rail Limited (HMRL) | Official | Official Phase II expansion proposal: Phase II(A) 76.4 km (5 corridors), Phase II(B) 86.1 km (3 corridors). Can support proposal-level scope verification for the Hyderabad Metro expansion programme. | High | Reviewed for scope | 2026-07-17 |
| Telangana Government Takeover of Hyderabad Metro Phase I Hyderabad Metro Rail Limited (HMRL) | Official | Official HMRL press release (February 2026) documenting the Telangana State Cabinet decision to acquire Hyderabad Metro Phase I (69 km) from L&T. Confirms the 69 km operational Phase I network and documents the transition to government ownership. Can support ownership-governance verification. | High | Reviewed for scope | 2026-07-17 |
| HMRL Additional MD Reviews Metro Operations (July 2026) Hyderabad Metro Rail Limited (HMRL) | Official | Recent operational review confirming HMRL's active governance role over the operational network as of July 2026. Can support current operator-governance verification. | High | Reviewed for scope | 2026-07-17 |
| L&T Metro Rail Official Home L&T Metro Rail (Hyderabad) Limited | Corporate | Top-level confirmation of L&T Metro Rail (Hyderabad) Limited as the concessionaire for the operational Hyderabad Metro network. Provides route, map, and fare information. | High | Reviewed for scope | 2026-07-17 |
| L&T Metro Network Map Page L&T Metro Rail (Hyderabad) Limited | Network map | Network map page showing operational Hyderabad Metro lines, stations, and interchanges. Can support line-count verification, interchange identification, and network topology checks for the operational network. | High | Reviewed for scope | 2026-07-17 |
| L&T Metro Route Map (PDF) L&T Metro Rail (Hyderabad) Limited | Network map | Downloadable PDF route map showing operational Hyderabad Metro lines, stations, colours, and interchanges. Can support line-count verification, station enumeration, and interchange confirmation. | High | Reviewed for scope | 2026-07-17 |
| Telangana CM Review of Phase II Proposals Telangana State Portal | Official | State government press release documenting the Chief Minister's review of Hyderabad Metro Rail Phase II proposals in January 2024. Can support government-level engagement with Phase II scope. | High | Reviewed for scope | 2026-07-17 |