One interesting thing, is how this might incentivise people to ignore the toll altogether since the price over even a short period of time are likely to be higher than the fines.
> A comparison of congestion data from 1982 to 2011 by the Texas A&M Transportation Institute clearly demonstrated that additional roadways reduced the rate of congestion increase. When increases in road capacity were matched to the increase demand, growth in congestion was found to be much lower.
> ... one study ... found that "over a six- to eight-year period following freeway expansion, around twenty percent of added capacity is 'preserved,' and around eighty percent gets absorbed or depleted. Half of this absorption is due to external factors, like growing population and income ...
Though it is likely true that expanding metro lines into VA would be more cost-effective here.
The real issue is that the NIMBYs in Arlington won't let them expand the road at all.