Install full-height platform screen doors to seal the track edge
#00151
Install full-height platform screen doors (PSDs) — floor-to-ceiling barriers with sliding doors aligned to train doors — to physically seal the platform edge and eliminate track access at stations. This intervention has the strongest evidence of any rail-suicide measure.
Hong Kong
SuccessMTR Corporation · City
Platform screen doors installed across the Hong Kong MTR were associated with a 59.9% reduction in railway suicides, with no evidence of substitution to unsealed platforms. The lower reduction compared to other cities p…
1 source
Shanghai, China
SuccessShanghai Metro · 2008–2017 · City
Using monthly panel data from 94 stations over 2008–2017, suicides in the Shanghai metro declined by 90.9% after platform screen doors were installed. The study found no significant evidence of displacement to railway s…
1 source
Seoul, South Korea
SuccessSeoul Metropolitan Subway operators · City
Platform screen doors were installed across Seoul metropolitan subway stations and evaluated using 10 years of monthly data from 121 stations with Poisson regression. Full-height PSDs achieved near-complete elimination…
1 source