The four Vickers were joined by ecodiets who ran on both M25 carriageways to stop traffic again yesterday.
The dog-collar quartet Insulet was prominent among Britain’s crowd, kneeling in front of overcrowded motorists.
But police eventually hardened, moving Reverend Sue Parfitt, 79, Mark Coleman, 62, Tim Heaves, 71, and Father Martin Newell, 54, and others out of the drivers’ path.
Home Secretary Priti Patel and Transport Secretary Grant Shapps have asked national highways to seek prohibitory orders to prevent further chaos.
If this week’s High Court action is successful, street activists could be jailed for contempt of court, or fined heavily.
Today’s disruption between junctions 9 and 10 near Cobham, Surrey – the fifth such protest in eight days – began at 8.10 a.m. and ended by 9 a.m.
Police arrested 38. came after PM Boris Johnson “Rapid action” supported by the police.
Truck driver Julian Howells, 30, from Cardiff, said: “It was clear that the police meant business.”
AA President Edmund King Said activists put themselves in danger and “threatened to cause multiple pile-ups and deaths”.
He added: “These counter-productive protests are alienating the masses.”
Rev Newell, attempting to justify his move, wrote: “We can’t go on the way we are.”
Insulate Britain said: “We are simply asking the government to keep working.”