TSD v1 Platform Screen Doors (Full Height)

Developers: @the_citaro
Developed: 2024

Usually features:
Door indicator (blinks slowly)
Uncovered metal in large amounts
No PSD closing beep
Black glass frame colour

Found in:
Eastern Line: ET1-ET8

TSD v2 Platform Screen Doors (Full Height)

Developers: @the_citaro
Developed: 2025

Usually features:
LTA new signage design system
Door indicator (does not blink)
Uncovered metal between signage and glass
No PSD closing beep
Black glass frame colour

Found in:
Coastal Line: CT1-CT4, CT8-CT10
Viewcrest LRT: CTP
West Green LRT: WG1-WG2

TSD v2 Platform Screen Doors (Half Height)

Developers: @the_citaro
Developed: 2025

Usually features:
LTA new signage design system
Door indicator (does not blink)
No PSD closing beep
Black glass frame colour

Found in:
Coastal Line: CT5-CT6, CT11 (and previously CT7)
Viewcrest LRT: VC1-VC8

TSD v3 Platform Screen Doors (Full Height)

Developers: @the_citaro
Developed: 2026

Usually features:
Taller LTA new signage design system
Longer door indicator (blinks & red warning signage strip)
No uncovered metal between signage and glass
Fast PSD closing beep
Dark grey glass frame colour

Found in:
Coastal Line: CT7