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HALOGEN AMI Signal Setting information

Publisher
National Highways
Updated
25 August 2026
Topic
Transport
Licence
UK Open Government Licence (OGL)

Summary

The data in the report is derived from Signal Setting information from the Advanced Motorway Indicator signs (AMIs) on the Highways Agency's English motorway network at an individual sign level.

The reports are provided as text files and contains the following columns:

  • Date Time : The date/time of the setting (eg. 28/11/14 12:51:51))
  • Subsystem : The originating system (eg. SIG for Signals)
  • Equipment Reference : An identifier for the AMI itself (eg. M6/5999A2)
  • Setting: The actual setting on the sign (eg. 40R)
  • Junction Range: The location of the AMI (eg M6 J8 - 10A)

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Data links

Link Format Preview Updated
September 2022 CSV/ZIP – 11/10/2022
March 2022 CSV/ZIP – 8/3/2022
August 2021 ZIP – 7/9/2021
July 2021 CSV/ZIP – 9/8/2021
June 2021 CSV/ZIP – 29/7/2021
May 2021 CSV/ZIP – 4/6/2021
April 2021 CSV / ZIP – 10/5/2021
March 2021 CSV Preview 9/4/2021
February 2021 CSV/ZIP – 8/3/2021
January 2021 CSV/ZIP – 8/2/2021
December 2020 CSV/ZIP – 8/1/2021
November 2020 CSV/ZIP – 4/12/2020
October 2020 CSV/ZIP – 5/11/2020
July 2020 CSV/ZIP – 1/9/2020
June 2020 CSV/ZIP – 1/9/2020
May 2020 CSV/ZIP – 5/6/2020
April 2020 CSV/ZIP – 12/5/2020
March 2020 CSV/ZIP – 6/4/2020
February 2020 CSV/ZIP – 5/3/2020
January 2020 CSV/ZIP – 7/2/2020
December 2019 CSV/ZIP – 5/2/2020
November 2019 CSV/ZIP – 3/12/2019
October 2019 CSV/ZIP – 8/11/2019
September 2019 CSV/ZIP – 4/10/2019
August 2019 CSV/ZIP – 9/9/2019
July 2019 CSV/ZIP – 6/8/2019
June 2019 CSV/ZIP – 2/7/2019
May 2019 CSV/ZIP – 5/6/2019
April 2019 CSV/ZIP – 7/5/2019
March 2019 CSV/ZIP – 10/4/2019
February 2019 CSV/ZIP – 9/4/2019
January 2019 CSV/ZIP – 9/4/2019
December 2018 CSV/ZIP – 9/4/2019
November 2018 CSV/ZIP – 9/4/2019
October 2018 CSV/ZIP – 9/4/2019
September 2018 CSV/ZIP – 9/4/2019
August 2018 CSV/ZIP – 9/4/2019
July 2018 CSV/ZIP – 9/4/2019
June 2018 CSV/ZIP – 9/4/2019
May 2018 CSV/ZIP – 9/4/2019
April 2018 CSV/ZIP – 9/4/2019
March 2018 CSV/ZIP – 9/4/2019
February 2018 CSV/ZIP – 9/4/2019
January 2018 CSV/ZIP – 9/4/2019
December 2017 CSV/ZIP – 9/4/2019
November 2017 CSV/ZIP – 9/4/2019
October 2017 CSV/ZIP – 9/4/2019
September 2017 CSV/ZIP – 9/4/2019
August 2017 CSV/ZIP – 9/4/2019
July 2017 CSV/ZIP – 9/4/2019
June 2017 CSV/ZIP – 9/4/2019
May 2017 CSV/ZIP – 9/4/2019
April 2017 CSV/ZIP – 9/4/2019
March 2017 CSV/ZIP – 9/4/2019
February 2017 CSV/ZIP – 9/4/2019
January 2017 CSV/ZIP – 9/4/2019
December 2016 CSV/ZIP – 9/4/2019
November 2016 CSV/ZIP – 9/4/2019
October 2016 CSV/ZIP – 9/4/2019
September 2016 CSV/ZIP – 9/4/2019
August 2016 CSV/ZIP – 9/4/2019
July 2016 CSV/ZIP – 9/4/2019
June 2016 CSV/ZIP – 9/4/2019
May 2016 CSV/ZIP – 9/4/2019
April 2016 CSV/ZIP – 9/4/2019
March 2016 CSV/ZIP – 9/4/2019
February 2016 CSV/ZIP – 9/4/2019
January 2016 CSV/ZIP – 9/4/2019
AMI Data November 2015 ZIP – 11/12/2015
AMI Data October 2015 ZIP – 11/12/2015
AMI Data September 2015 ZIP – 9/10/2015
AMI Data August 2015 ZIP – 4/9/2015
AMI Data July 2015 ZIP – 4/9/2015
AMI Data June 2015 ZIP – 20/7/2015
AMI Data May 2015 ZIP – 3/6/2015
AMI Data April 2015 ZIP – 14/5/2015
AMI Data December 2014 ZIP – 1/5/2015
AMI Data November 2014 ZIP – 1/5/2015
AMI Data October 2014 ZIP – 1/5/2015
AMI Data March 2015 ZIP – 1/5/2015
HALOGEN Overview HTML – 9/3/2015
AMI Data February 2015 ZIP – 9/3/2015
AMI Data January 2015 ZIP – 9/3/2015

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Supporting documents

Link Format Last updated
September 2021 ZIP 5/10/2021

Contact

Enquiries

info@nationalhighways.co.uk

Freedom of information (FOI) requests

info@nationalhighways.co.uk

Freedom of Information (FOI) requests

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All content is available under the Open Government Licence v3.0, except where otherwise stated.