A former adviser to Brexit party leader Nigel Farage warned of signs directing truck drivers crossing between the EU block and the UK to a special lane, suggesting that the French believe Brexit is imminent, reported Express.

“They’re finally starting to get it,” said former adviser Trixy Sanderson. The signs—marked Sanitary-Phyto Controls—are for truck drivers arriving from Britain to follow, a fact underlined by a picture of a Union Jack with an arrow pointing to the EU flag. The Sanitary-Phyto Controls are aimed at preventing the spread of disease or contamination from country to country, but are considered unnecessary if it is an EU country and is registered in the Customs Union.

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Sanderson, 37, told Express.co.uk, “Firstly, they [signs] show Brexit is definitely going to happen.”

She said the signs also show that a “WTO Brexit” (World Trade Organization) is a realistic possibility.

“What it basically demonstrates is that they—not just the French, the European Union generally—are finally starting to get it,” she said.

Sanderson added, “It’s taken a while to sink in obviously—several years in fact. But I think they now realize they cannot scare the British people into remaining locked into the EU.”

Sanderson believes that things will really start speeding up now, especially when people start seeing these roadside signs that show preparations are underway.

“To be fair, I think the people of Europe have always understood what was happening. It was only the politicians who got in the way,” she said.

The sanitary and phytosanitary (SPS) measures on the signs are designed to protect humans, animals, and plants from diseases, pests, or contaminants.

EU legislation sets out detailed regulations to reduce or eliminate the potential risks to animals, plants and public health, as well as animal and plant diseases being introduced into the EU by goods coming from non-EU countries, of which the UK will be one after the transition period runs out on Dec. 31 of next year.

As such, all goods arriving on the continent from Britain after that date will be subject to checks unless a trade deal is reached by then.

Boris Johnson’s Conservative Party won a majority of seats in the British elections earlier this month, clearing the road for the UK’s withdrawal from the EU on Jan. 31.

The EU was born as a Customs union run by the bloc’s central authorities. Member countries had to relinquish control over sovereign trade policies, so they do not have autonomy to reach agreements with countries outside the organization.

That’s why President Donald Trump praised Johnson for his election victory, saying it opened the possibility of a trade agreement between the two countries.

“Congratulations to Boris Johnson on his great WIN! Britain and the United States will now be free to strike a massive new Trade Deal after BREXIT,” President Trump said on Dec. 13.

“This deal has the potential to be far bigger and more lucrative than any deal that could be made with the EU. Celebrate Boris!” the president added in a tweet.