Small wonder Congress has kept federal highway and transit programs teetering on the edge of insolvency for years, unable to find a politically acceptable long-term source of funds. The public can’t make up its mind on how to pay for them either. […] Among those who drive places multiple times per week, 62 percent say the benefits outweigh the costs. Among those who drive less than once a week or not at all, 55 percent say the costs of road improvement are worthwhile. Yet a majority of all Americans—58 percent—oppose raising federal gasoline taxes to fund transportation projects such as...