The worst jams on Friday are expected in the late afternoon and evening when holiday and commuter traffic combine - with motorists urged by experts at the RAC to travel before 10am.
The RAC found car park management firms' requests to the DVLA (Driver and Vehicle Licensing Agency) reached 7.2million in the six months to the end of last September.
The motoring group said the data 'sadly shows the pothole plague is as prevalent as ever', revealing that drivers are having to fork out hundreds of pounds for non-puncture repairs.
National Highways will remove blockages from 1,127 miles of motorways and A roads in England, leaving 97.5 per cent of its network free of traffic cones.
The RAC said that despite the Government's 'focus on improving public transport' the research proves that the car 'remains central to so many people's lives'.
Nearly half (48 per cent) of UK police forces caught drivers exceeding 90mph on 30mph roads in the 20 months to the end of August last year, an investigation by the RAC has found.
Since October the price per litre has increased by 5p for petrol and 6p for diesel, the RAC said. This means that filling up your tank is now nearly £3 more expensive than it was at the start of Octo…