According to the government's blueprint for dismantling Fukushima Daiichi, engineers will first have to repair the reactor building leaks, which could take six years, thendrain the buildings of radioactive water, which could take an additional two years.
If traffic congestion can be compared to water flowing through a sink drain, then a congestion toll is like the handle on the spigot -- it increases during times of peak road use, decreases during off-peak times, and is adjusted in real time to keep traffic flowing smoothly.