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Cookie policy
Which cookies this website uses, what they do, and how to change your choice.
Last updated: 23 September 2026.
Cookies are small files that a website stores in your browser. This website uses as few as possible, and nothing optional is set unless you allow it.
Strictly necessary
Needed for the website to work and to remember the choice you made in the cookie banner. These do not track you and do not need consent.
| Name | Set by | Purpose | Duration |
|---|---|---|---|
tfl-cookie-consent | This website (browser local storage) | Remembers whether you accepted or rejected optional cookies. | 12 months |
Analytics (optional)
Only set if you choose “Accept all” or switch analytics on. They let Google Analytics 4 count visits and pages viewed in aggregate, so we can see which pages are useful. IP addresses are truncated.
| Name | Set by | Purpose | Duration |
|---|---|---|---|
_ga | Google Analytics | Distinguishes visitors with a random identifier. | 2 years |
_ga_<id> | Google Analytics | Keeps the state of the current visit. | 2 years |
Changing your mind
Use “Cookie settings” in the footer of any page, or the button above, to change your choice at any time. Rejecting analytics removes the Google Analytics cookies from this website. You can also delete cookies through your browser settings.
More about how we handle personal data is in the privacy policy.