Statistical data set

National Travel Survey standard errors

Data tables containing measures of uncertainty for selected National Travel Survey statistics, produced by Department for Transport.

• From: Department for Transport
• Published: 10 September 2026

Standard errors, together with the 95% confidence intervals, provide an indication of the degree of uncertainty associated with estimates derived from sample data. Standard errors are provided to help users of National Travel Survey data understand the levels of uncertainty within the most widely used NTS statistical estimates.

2025 standard errors

SE_NTS0303: Standard errors for the average number of trips, stages, miles and time spent travelling by mode: England, 2025 (ODS, 23 KB)

SE_NTS0303_CA: Standard errors for the average number of trips, stages, miles and time spent travelling by mode: combined authorities, 2025 (ODS, 170 KB)

SE_NTS0318: Standard errors for the average number of trips, stages, miles and time spent travelling by mode and region of residence: England, 2025 (ODS, 136 KB)

SE_NTS0403: Standard errors for the average number of trips, miles and time spent travelling by trip purpose: England, 2025 (ODS, 23.2 KB)

SE_NTS0403_CA: Standard errors for the average number of trips, miles and time spent travelling by trip purpose: combined authorities, 2025 (ODS, 190 KB)

SE_NTS0409: Standard errors for the average number of trips and distance travelled by purpose and main mode: England, 2025 (ODS, 39.8 KB)

SE_NTS0413: Standard errors for the average number of trips, miles and time spent travelling by trip purpose and region of residence: England, 2025 (ODS, 89.1 KB)

SE_NTS0601: Standard errors for the average number of trips, stages and distance travelled by sex, age and mode: England, 2025 (ODS, 159 KB)

SE_NTS0802: Standard errors for satisfaction with provision by mode: England, 2025 (ODS, 17.3 KB)

Contact us

National Travel Survey statistics

Email national.travelsurvey@dft.gov.uk

Published 10 September 2026