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<a href="/ITS/benecost.nsf/SingleLink?ReadForm&Tax=Intelligent+Transportation+Systems+Freeway+Management&Location=Benefit">Freeway Management</a> > <a href="/ITS/benecost.nsf/SingleLink?ReadForm&Tax=Intelligent+Transportation+Systems+Freeway+Management+Enforcement&Location=Benefit">Enforcement</a> > <a href="/ITS/benecost.nsf/SingleLink?ReadForm&Tax=Intelligent+Transportation+Systems+Freeway+Management+Enforcement+Speed+Enforcement&Location=Benefit">Speed Enforcement</a>

Automated enforcement technologies can assist with the enforcement of speed limit compliance. Still or video cameras, activated by detectors, can record vehicles traveling faster than the speed limit.

Modeling effort shows Active Transportation Management systems can reduce average morning travel time by 21 percent on the I-270 corridor.(08/01/2018)

Increase in automatic speed enforcement camera coverage in Finland resulted in a benefit-cost ratia of 3.91 and over $15 million in annual safety benefits.(May/June 2010)

A speed enforcement camera demonstration program on Loop 101 Freeway in Scottsdale, Arizona reduced the average speed by about 9 mph, reduced the speed distribution, and reduced the number of speeding drivers by at least a 67.5 percent decrease in the proportion of the number of faster drivers.(November, 2007)

In Scottsdale, Arizona, a speed enforcement camera demonstration program on a freeway decreased the number of target crashes by 44 to 54 percent, injury crashes by 28 to 48 percent, and Proptery Damage Only crashes by 46 to 56 percent.(November, 2007)

Seventy (70) percent of survey respondents in Great Britain thought that automated speed and red-light enforcement cameras were a useful way to reduce accidents and save lives. ( 11 February 2003)

Automated speed and red-light enforcement reduced the percentage of vehicles exceeding the speed limit by 58 percent, the number of persons killed or seriously injured by 4 to 65 percent, and the personal injury accident rate by 6 percent.( 11 February 2003)

Evaluation studies showed that roadways equipped with automated speed enforcement can reduce the number of speeding vehicles by 27 to 78 percent.(13-17 January 2002)

In Texas, police who used remote camera/radar systems to enforce work zone speed limits noted improved safety to officers, but expressed some concern over effectiveness in identifying speeding vehicles.(13-17 January 2002)

Automated speed and red light enforcement lowered crash frequency by 14 percent, decreased crash injuries by 19 to 98 percent, and fatalities 7 to 83 percent.(2001)

Automated speed enforcement in England has increased capacity by 5 to 10 percent. (August 1999)

An automated speed enforcement system deployed in Korea reduced crash frequency by 28 percent and decreased crash fatalities by 60 percent. (12-16 October 1998)

A survey of travelers in the Washington, DC region indicated that 86 percent favored the use of video technology to enforce aggressive driving laws.(11 September 1998)

In England, a variable speed limit system on the M25 freeway increases average travel times, but promotes proper following distances between vehicles and creates smoother traffic flow.(14 March 1997)

Automated speed enforcement systems decreased injury accidents by 5 to 26 percent.(1997)

Increase of Traffic Safety by Surveillance of Speed Limits with Automatic Radar-Devices on a Dangerous Section of a German Autobahn: A Long-Term Investigation(1984)

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