Failed the signaller assessment? What to do next

Signaller vacancies attract far more applicants than there are places, so a rejection after the online assessment is common and is not a verdict on whether you could do the job. Plenty of people get through on a later attempt. This guide covers what to do next.

First, check what the result actually says

Read the email carefully. A rejection can mean you did not reach the standard, or it can mean you were not taken forward for that particular vacancy — which are different situations. If the wording is unclear, it is reasonable to ask the recruiter politely what it means for future applications.

Find out how long results last

Network Rail does not publish a retake policy on its careers pages. One applicant reported in early 2026 that assessment scores stand for around six months and apply to every signalling vacancy applied for in that time. That is a single, unconfirmed report, so ask the recruiter directly: whether your result carries over to other vacancies, and how soon you can sit the assessment again.

Work out which exercise let you down

You may not be told your scores. Think back honestly instead:

• Multi-tasking: did you lock onto one task and let another slide?
• Concentration: did you speed up and get careless towards the end?
• Job simulation: did you find yourself choosing between two sensible-looking answers without a clear way to decide?
• Memory grid: did the interruption wipe out the sequence?
• The conditions: were you tired, interrupted, or on an unfamiliar computer?

The last point matters more than people expect. Sitting the assessment rested, somewhere quiet, on a proper keyboard is free marks.

Prepare differently next time

• Practise the real exercises, not generic verbal and numerical reasoning, which applicants do not report sitting. Every exercise has a free demo on this site.
• Put most time into your weakest exercise, not the one you enjoy.
• Do at least one full run of all the exercises back to back, because stamina is part of it.
• Use the reasoning, not just the answers, in the job simulation: the principle behind each correct answer is what transfers to scenarios you have not seen.

Nine ways people lose the signaller assessment and the one-week preparation plan are good places to start.

Keep an eye on vacancies

Signalling vacancies are advertised by location and come up at different times. Set up alerts so you see new ones as they appear, and consider whether you could widen the locations you would travel to.

Keep it in proportion

A competitive process means good candidates are turned down every round. Preparing properly and applying again is exactly what many successful signallers did.