[Trajan]

There are several toll roads around Washington DC. One of them is set as a toll-road to the Dulles Airport. If you are going only to the airport and back out again, then you can ride in the "Free" internal lanes. If you are using the road to commute to and from work/home then you pay $.50 (US) to enter and I think $.50 to exit. I may be wrong on the amounts, but that's approximately right.

There is another toll-road that was initally built using private monies with some state/federal assistance. The toll's for this road (The DUlles Greenway) are substantially higher. I think they are in the $2.00 (US) range, with no charge to exit, though I may be wrong.

I don't mind paying the tolls, if the highways are kept up and continuously updated. So long as the roads are repaired, plowed, patrolled etc...then I am happy...though poorer.

Cheers!
Trajan