There are plenty of reasons for outrage coming out of Washington, DC, these days, but this week the divided region found a common enemy. The express lanes on Interstate 66 near DC, previously reserved for vehicles carrying two or more people, opened up to solo travelers. Except those single-occupancy vehicles have to pay a toll, one that fluctuates according to demand. The world watched, aghast, as tolling prices hit $40 for folks headed into the capital on Tuesday morning.