The most cherished member got to spend road trips on the roof of the car.
Spending for road repaving is being cut to $7 million a year from $15 million.
Extra spending for road and flood repairs, including the M4 in South Wales.
It also suggested Philip Hammond's announcement of extra spending on road, rail and digital infrastructure could bring in more business.
It will also dramatically scale back its spending on road safety advertising and education.
Most had maintained or increased their spending on road repairs, despite having to make tough choices over cuts to council jobs and services, the research found.
As the state increases spending on road construction as part of the stimulus, these firms actually experience increased demand.
More than £4bn will be spent on road maintenance.
Cutting spending on roads is easier than cutting teachers' salaries.But such behaviour can be damaging.
Spending on roads, railways and other infrastructure is to go up substantially.
