CAG finds Lucknow metro rails softer than required, raising wear-and-tear concerns
TNN / Feb 21, 2026, 13:59 (IST)
CAG flags concerns over Lucknow metro's rail quality, with IIT Kanpur tests revealing hardness levels significantly below Indian Railway standards. Depot rails tested between 229-242 BHN and main line rails between 254-308 BHN, raising fears of faster wear, increased maintenance, and potential impact on train stability.