Department for Transport
Transport secretary Grant Shapps says it could take days to test all drivers for Covid-19, with estimates of 8,000 lorries stuck in Kent.
French authorities say journeys can resume, but anyone travelling must have a negative test result.
"It really is one rule for the rich and one rule for everyone else with this government," one Labour MP said.
The Danish government has ordered the cull of 15 million minks after widespread coronavirus outbreaks on farms.
The new legislation will close a loophole which allowed drivers to escape punishment for taking a photo or playing a game
Restrictions scrapped for "low risk" destinations and amended advice will enable people to travel without self-isolating on their return.
The final figure could end up being between £70 billion and £85 billion.
The move is a bid to increase safety.
Powerful Commons watchdog lays into transport secretary.
Virgin's partner Stagecoach has been barred from three rail franchise bids.