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Highways Agency network journey time and traffic flow data

This data series provides average journey time, speed and traffic flow information for 15-minute periods since April 2009 on all morotways and 'A' roads managed by the Highways Agency, known as the Strategic Road Network, in England.

Journey times and speeds are estimated using a combination of sources, including Automatic Number Plate Recognition (ANPR) cameras, in-vehicle Global Positioning Systems (GPS) and inductive loops built into the road surface.

Please note that journey times are derived from real vehicle observations and imputed using adjacent time periods or the same time period on different days. Further information is available in 'Field Descriptions' at the bottom of this page.

Data and Resources

Additional Info

Field Value
Source http://data.gov.uk/dataset/dft-eng-srn-routes-journey-times
Author Highways Agency
Maintainer Data.gov.uk
Version 1.0
accrualPeriodicity
contactPoint
identifier
issued 13/12/2010
landingPage http://www.highways.gov.uk/
language English
modified
spatial England
temporal 2009-2015