The government has announced an extra £2.1bn worth of funding to prepare for a no-deal Brexit.
The plans include more border force officers and upgrades to transport infrastructure at ports.
There will also be more money to ease traffic congestion in Kent and tackle queues created by delays at the border.
Other measures include money for stockpiling medicines to ensure continued supplies, as well as a national programme to help businesses.
“With 92 days until the UK leaves the European Union it’s vital that we intensify our planning to ensure we are ready,” said Chancellor Sajid Javid, announcing the move.
“We want to get a good deal that abolishes the anti-democratic backstop. But if we can’t get a good deal, we’ll have to leave without one.
“This additional £2.1bn will ensure we are ready to leave on 31 October – deal or no-deal.”
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But shadow chancellor John McDonnell described the plans as “an appalling waste of taxpayers’ cash, all for the sake of Boris Johnson’s drive towards a totally avoidable no-deal”.
He added: “This government could have ruled out no-deal and spent these billions on our schools, hospitals, and people.
“Labour is a party for the whole of the UK, so we’ll do all we can to block a no-deal, crash-out Brexit.”
“Turbo-charging” no-deal preparation is the energetic promise of the new Treasury, which under previous management had been accused by the now prime minister and his Brexiteer allies of dragging its feet on funding for such measures.
But there will be hundreds of new border force officers required for new checks, as well as improvements to port infrastructure.
Some of this boost, however, is a repeat prescription for vital medicine supply – spending tens of millions again on reserving cross-Channel ferry capacity and for specialist warehousing and stockpiling that was not, in the end, required after the last Brexit deadline.
All this is designed to mitigate the anticipated freight gridlock around Dover and Calais.
But that is not entirely in the government’s hands. Much depends on whether the French authorities choose to enforce full customs and health checks on freight from the UK.
The flow across the Channel also depends on the preparedness of many smaller traders, more than half of whom have not signed up to the most basic customs registration that will become mandatory for European trade under no-deal.
An advertising campaign will target this vital group. It will have to persuade them that no-deal is highly likely, even as the prime minister himself suggests the chances are vanishingly small.
The new money consists of £1.1bn which will be provided to departments and devolved administrations immediately, while a further £1bn will be made available if needed.
This comes on top of £4.2bn already allocated for Brexit preparations by the previous chancellor, Philip Hammond.
The measures announced by Mr Javid include £344m to be spent on new border and customs operations.
This includes recruiting an extra 500 border force officers, in addition to 500 already announced, while there will also be more money for training customs agents and processing UK passport applications.
Another £434m will be spent on ensuring continuity of vital medicines and medical products, including freight transport, warehousing and stockpiling.
Of the rest, £108m will go on promoting and supporting businesses “to ensure they are ready for Brexit”, including a national programme of business readiness and “helping exporters to prepare for, and capitalise on, new opportunities”.
There will also be a public information campaign and an increase in consular support for Britons living abroad, at a cost of £138m.
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