Over 17 million Britons are expected to hit the roads today, causing travel chaos across the country.
Millions of people are looking for alternate routes home after multiple strikes disrupted their Christmas travel plans.
It follows RMT union strikes that have brought the nation’s railways to a halt, with more expected in January.
The carnage has prompted the AA to issue an Amber Traffic Warning, which will be in effect until Christmas Eve.
The motoring association has issued a warning about major delays on the M25 London Orbital and the M6 in the north of England.
They anticipate heavy traffic across the UK until 6 p.m. on Friday.
The AA predicts that traffic will be heavy between 10 a.m. and 4 p.m. on Saturday.
Over the next two days, delays are expected at interchanges connecting the M25 to the M3, M4, M1, M11, M20, and A1(M).
On Friday and Saturday, the RAC has issued a severe traffic warning for the M25.
Congestion on the clockwise section of the M23 between junction 7 and junction 16 of the M40 is expected to peak at 12.30pm on Friday, with delays of up to 50 minutes.
The M4/M5 interchange in Bristol, as well as the M5 in Exeter, are likely to be congested from today until tomorrow.
There will also be delays on the M6 in Birmingham and the M11/A14 junction north of Cambridge.
Delays will be felt in Cumbria on the M6 interchange with the A69, as well as around Manchester on the M62/M60 junctions.
While the A64 between Leeds and York and the M8 around Edinburgh are expected to be congested.
Drivers in Wales and southern England are also dealing with heavy rain, which, according to the Met Office, will spread northward to southern Scotland and Northern Ireland on Friday afternoon.
Since 6 p.m. last night, a lorry, Peugeot, and Audi collided on the A2 between Aylesford and West Malling.
Vehicles are being diverted onto exit and entry slip roads, resulting in three miles of congestion and at least 45-minute delays.
National Highways workers will also be on strike on Friday, complicating travel by repairing and clearing road networks and preventing delays.
Due to the completion and lifting of roadworks, nearly 98 percent of England’s motorways and major A-roads will be fully open until the end of January 2.