The Gate Person requirement and its start dates

What was added

When Issue 5 of the 12D scheme document was published in July 2025, its only substantive change was to add the Gate Person, also written as the Gateperson or Airlock Installer, in two places. It became a defined term in the definitions section, and it became a training category in the appendix that lists the skills a 12D organisation's people must hold. The scheme document says the change was made to align 12D with the requirement that already existed in 12A/B, the motorway and high-speed scheme, where gates and airlocks have been in use for longer.

What the role covers

A gate, sometimes called an airlock, is the controlled point where vehicles and people enter or leave a closed section of road. The Gate Person is the worker stationed there to control that entry and exit. They check who is allowed through, hold traffic back while works vehicles move, and make sure the closure isn't breached. The scheme treats it as an awareness role for anyone involved in controlling entry into or through a traffic management system. It applies whether the person doing it is a labourer, an operative or a supervisor stepping in for a shift.

Points to note about the category:

• It's mandatory for anyone who controls a gate. Most firms that do convoy or closure work will need at least one person trained in it.
• It's an add-on to a card you already hold. The course is a half-day awareness session with a test paper and no site assessment. To attend, the learner must already hold a valid basic course card (the TTMBC) or another current 12A/B, 12C or 12D skill other than M7.
• It doesn't qualify anyone to install a closure. Setting out or taking down the traffic management still needs the relevant operative modules.

The start dates

The scheme document says the category is mandated from 1 September 2025. Lantra's statement of 8 July 2025, published alongside the new issue, says the course becomes mandatory for everyone required to operate a gate from 1 October 2025. Both statements are official and dated, and neither gives a reason for the difference. Our reading is that an assessor will point to the scheme document's date, because that's the document the certification body audits against. We think Lantra's later date reflects the time training providers needed to schedule courses. We haven't found anything that resolves the difference.

Both dates have now passed, so the requirement is in force whichever date is right. Check that everyone who has operated a gate since then holds the category.

An older date also turns up. In July and August 2024, Lantra's news log announced the Gate Person course as mandatory from 1 January 2025. That announcement was presented as a 12A/B change. It came before the 12D scheme document that made the category mandatory for 12D. Anyone in your firm who remembers a January 2025 date is probably thinking of this announcement.

What to check in your own records

1. List every job since September 2025 where a gate or airlock was used, and who staffed it on each shift.
2. Check each of those people on a card checker for the Gate Person category with a date still in the future. The category has its own expiry like any other skill.
3. Make sure your training matrix has a column for it. A matrix built to Issue 4 won't have one.
4. Check your method statements and site briefings name the gate role and who is filling it.
5. If anyone operated a gate without the category after the mandate date, record it as a nonconformity and book the training.

What an assessor looks for

It was the only substantive change in the current issue, so an assessor may use it to check whether your system reflects Issue 5. If your training matrix still stops at M6 and M7 with no Gate Person column, that points to a gap in document control as well as in training.

SchemeReady's training questions include the Gate Person category and the card-check dates that go with it. See what you get.