Train driver vigilance test
Watch a square. Click only when it turns pure black. No account needed. Sign up after to save your score and sit the longer runs.
What you watch
Grey and near-black are lures. Only pure black counts.
How it works
- 1
Watch the square
It will flash mid-grey, near-black, or pure black.
- 2
Click on pure black only
Ignore grey and near-black. Click the square, or press Space, as soon as it turns pure black.
- 3
Stay with it
Black flashes are rare. Misses and false clicks both count.
What this sample is
60 seconds of the real format. Misses and false clicks both count. This score is not saved.
A free account unlocks 5, 15 and 30 minute runs, saved scores, and the rest of the free tests.
RailFocus is independent practice. It is not affiliated with train operators or RSSB, and practice scores are not official assessment results.