evidence: Eighty-five per cent of the volume of trade between the EU and Great Britain is carried by EU hauliers, who are often paid not by the hour, but by the kilometre. If they think there will be too many delays, many may simply not come. [...] Northern Ireland will remain in the EU single market for goods, and unlike the rest of the UK it will continue to enjoy frictionless trade with the EU with no checks of any kind at the land border with the Republic. [...] The trade from British to Northern Irish ports often involves multiple small shipments on a single lorry - all of which will need the right paperwork.