Though still controversial, ramp metering, which has been around for nearly 50 years, continues to deliver substantial benefits, and generally for relatively small cost. Kansas City is a case in point. In March 2010, Kansas City Scout, a partnership between the Missouri and Kansas Departments of Transportation to provide ITS for the greater Kansas City Area, activated the first ramp metering system in the region. The project is located on an 8.85km (5.5 mile) section of Interstate 435 from Metcalf Avenue to