Guidance

Reported road casualties Great Britain: provisional estimates methodology

A note summarising the approach used to producing provisional estimates of road casualties in Great Britain

• From: Department for Transport
• Published: 25 November 2021

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Reported road casualties in Great Britain, provisional estimates: methodology note

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Provisional estimates of road casualties in Great Britain are produced twice a year - for the year to end June (in November) and the full calendar year (in the following June).

At the time these provisional statistics are produced, the STATS19 data used to compile them is usually incomplete. This methodology note sets out the approach to imputing for missing data in the provisional estimates.

Published 25 November 2021