Work is particularly strong in North America, Europe, Japan, and Australia.
The ramp meters along Interstate 5 have increased capacity at rush hour by 10 to 100 percent, while increasing highway speeds at the same time. Other cities have reported handling 8 to 22 percent more traffic while increasing or maintaining travel speeds. Click here for acess to a copy of this report in the Adobe Acrobat PDF document format, provided by U.S. Department of Transportation. A first hint of what is possible is provided by the Etak Maps up to the minute Internet display of traffic incidents in greater Seattle . The system of State Government TV cameras on the freeway is another example.