The Platform Screen Door (PSD) contract for Chennai Metro's 26.09 km Line-4, which would connect Light House to Poonamallee Bypass over 30 stations, attracted proposals from 4 companies earlier this month.

On this route of Chennai Metro's Phase 2, full height platform screen doors will be erected at ten underground stations' twenty platforms, while half height PSDs will be put at eighteen elevated stations' thirty-six platforms.

In May 2022, Chennai Metro Rail (CMRL) issued a call for bids for this contract, which was backed by the AIIB and ADB and had a deadline of 2245 (6.15 years) with an unknown estimate.

Bidders:
Fangda Innotech
RT Vision – Dongwoo JV
ST Engineering Electronics
Zhuzhou CRRC Times Electric
Package: C4-ASA10

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