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VOL. I · EST. 11.2025 
SatyaDheesh
सत्याधीश
India's Ground Truth Record
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Union Cabinet approves ₹2,390 crore Aqua Line Metro Rail Corridor extension to Greater Noida

GS3Economy · S&T · Environment · Security· Infrastructure (energy, ports, roads, railways)· Prelims·

Urban infrastructure and connectivity: a GS3 case study on regional transport and decongestion.

Why in news

The Union Cabinet approved a ₹2,390 crore extension of the Aqua Line Metro Rail Corridor to connect Noida Sector 51 to Greater Noida Sector 4.

Background

The project covers 8.449 kilometres with five elevated stations and is expected to be completed over four years. Upon completion, the active metro rail network in the region will reach 71.878 kilometres.

Facts for Prelims

  • FactAqua Line Metro Rail Corridor extension cost: ₹2,390 crore
  • FactExtension length: 8.449 kilometres with five elevated stations
  • FactTotal active metro rail network after completion: 71.878 kilometres
  • PlaceInterchange point: Noida Sector 61 on the Blue Line
  • FactProject duration: Four years

Prelims practice question

What is the total length of the active metro rail network in the region expected to reach upon completion of the extension?

  1. (a)51.250 kilometres
  2. (b)84.490 kilometres
  3. (c)61.000 kilometres
  4. (d)71.878 kilometres
Show answer

Answer: (d) 71.878 kilometres — The note states the active metro rail network will reach 71.878 kilometres upon completion.

For Mains

Q. Discuss how the expansion of metro rail networks in satellite cities contributes to the 'Ease of Living' and urban decongestion in the National Capital Region.

Dimensions to cover in your answer

  • Urban decongestion: Reducing private vehicle dependency through high-capacity public transit corridors
  • Economic integration: Linking commercial hubs and IT parks to residential zones to enhance labor mobility
  • Infrastructure synergy: Integration of multi-modal transport via interchanges like the Blue Line

Keywords: Ease of Living · Urban Infrastructure · Public Transportation · Satellite Cities · Connectivity

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