Speeding makes crashes more likely and more likely to be deadly.
June 23, 2016
80 mph limit leads to higher speeds
A study of speed limit increases in Utah adds to the evidence that raising limits leads to higher travel speeds and more people exceeding the new limit.
May 24, 2016
High horsepower connected with speeding
High-horsepower vehicles are more likely to exceed the speed limit and have higher mean speeds than more sedate engines, IIHS researchers have found.
April 12, 2016
Higher speed limits lead to more deaths
Two decades of speed limit increases have nearly canceled out the safety gains from frontal airbags.
October 1, 2015
Speed cameras cut injury crashes
A speed-camera program in a large community near Washington, D.C., has led to long-term changes in driver behavior and substantial reductions in deaths and injuries.
September 1, 2015
Speed cameras yield long-term safety benefits
A speed-camera program in a large community near Washington, D.C., has led to long-term changes in driver behavior and substantial reductions in deaths and injuries, a new IIHS study shows.
July 30, 2014
States raise speed limits
Several states have raised posted limits to as high as 80 mph or extended maximum limits to more roads so far this year.
August 8, 2013
Speed cameras reduce crash deaths in France
France's extensive speed camera program has cut crash fatalities in the country, a recent analysis finds.
April 25, 2013
D.C. residents say they like red light, speed cameras
Red light cameras and speed cameras are perpetual targets of critics who deem them widely unpopular and unfair. Ask people who live in areas with long-standing automated enforcement programs their view of cameras and a different picture emerges. A new IIHS survey shows a large majority of people who live in Washington, D.C., favor camera enforcement.
November 20, 2012
Guidelines for automated enforcement
A new report provides guidance on how to set up and operate camera programs to make them both effective and less likely to come in for criticism.
Technology could help drivers watch speed
Research indicates intelligent speed adaption could help drivers keep speeds in check.
October 25, 2012
Speeds climb on freeways
Drivers exceed speed limits on all kinds of roads, but the problem has worsened on freeways and expressways, a national survey of traffic speeds shows.
Texas chooses speed over safety
The decision to establish an 85 mph speed limit in Texas ignores decades of research that shows more people die in crashes when speed limits are raised.
December 2, 2010
Drivers admit to risky habits in survey
Drivers sat texting while driving, speeding and running red lights are dangerous but admit to doing them anyway.
February 25, 2009
IIHS testifies on speed enforcement and young drivers
IIHS testified on Feb. 24, 2009, before the Maryland Senate Committee on Judicial Proceedings on automated speed enforcement and on passenger and nighttime restrictions for young drivers.
January 31, 2008
U.S. travel speeds rise
More than a decade after the repeal of the 55 mph national maximum speed limit, travel speeds generally have gone up around the country, and many drivers exceed posted limits.
How posted limits affect speeds
When speed limits go down, speeds do as well, Institute research shows.
Cameras lower speeds in Arizona
The number of violators plunged after cameras were turned on in a pilot project in Scottsdale.
Speed cameras look promising in Maryland
A Washington, D.C., suburb is using cameras to enforce speed limits in residential areas and school zones.
Speed cameras in France
Up to 2,000 speed cameras dot the French road network as part of the country's "fight against road violence."
September 28, 2005
Other nations offer speed camera lessons
The U.S. could learn from longstanding speed camera programs in Britain and Australia.
Speeders are high-risk in other ways too
Extreme speeders are more likely to be men under 30 and to have higher crash rates.
July 3, 2004
In other highway safety news…
Minnesota's tough penalties for high-BAC offenders work; Oregon's Supreme Court upholds speed cameras; more cities install red light cameras; rulemaking on headlight glare begins.
November 22, 2003
Deaths go up as speed limits are raised
Speed limits have been going up around the country, and the result is more crash deaths.
Violations persist with higher limits
When speed limits are raised, drivers simply push past them. Violations continue, and travel speeds creep ever higher.
Car ads focus on speed
Emphasizing performance is one of automakers' favorite ways to sell vehicles.
More and more power
The average horsepower of vehicles increased 65 percent from 1980 to 2000.
No stigma attached to speeding
The perception of speeding is that it's excusable because everybody does it.
January 11, 2003
'Jammers' don't really jam radar
The devices don't interfere with enforcement, but they do encourage drivers to speed.
September 14, 2002
D.C. residents support speed cameras
Eighty-three percent of D.C. residents recently surveyed said they knew speed cameras were being used in the city. Just over half said they were in favor of the cameras.
March 11, 2000
More communities are using cameras
Red light cameras are proliferating across the United States. Speed cameras have been somewhat slower to catch on.
June 19, 1999
Cameras to control speed, apprehend and deter speeders are being used successfully, notably on London's M25
January 14, 1999
Traffic deaths increase in states that raised speed limits
The higher speed limits introduced in 24 states during late 1995 and 1996 resulted in increased motor vehicle deaths during 1996-97. IIHS researchers compared the numbers of motor vehicle occupant deaths in these 24 states from the time speed limits were raised through 1997 with corresponding fatality counts for the same months in the six years before the speed limits were changed.
December 5, 1998
Photo radar is effective in Canada but not widely used in the United States
May 9, 1998
Higher speed limits associated with more highway deaths
October 11, 1997
Higher speed limits mean faster speeds and more highway deaths
October 10, 1997
Crash deaths go up in states that raised speed limits
Five hundred more people died in motor vehicle crashes in the last nine months of 1996 than would otherwise have been expected in the 12 states that raised speed limits on interstates and freeways between December 8, 1995 and April 1, 1996.
March 22, 1997
Speed cameras reduce crashes with injuries in Norway
Speeds up in two states that raised speed limits
May 4, 1996
Speeds jump on roads where higher speed limits have been posted
February 3, 1996
National maximum speed limit killed by Congress
December 2, 1995
Autobahns do have speed limits, despite widespread myth, and death rates aren't lower than on U.S. interstates
June 3, 1995
Photo radar is effective in Ontario
©1996-2016, Insurance Institute for Highway Safety, Highway Loss Data Institute | www.iihs.org
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