Original sentence: A very few short privatized toll freeways have also been built by private companies with mixed success
Edited sentence: (For example, freeway traffic in the Atlanta area dropped drastically during its two-week hosting of the 1996 Olympics because of planning and voluntary compliance by commuters, but returned to "normal" levels afterwards when they went back to the same habits as previously.)  Gradually though, the public and government learn to adapt, helping to keep the freeways free and useable, with a reduced need for freeway expansion.A very few short privatized "free"ways have also been built by private companies (to be paid for with tolls), with mixed success.Motorists must still choose to use the information and alternatives presented to them, and this is often the biggest obstacle in a freeway system