Speed limit

How Do We Decide Speed Limits?

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• published: 06 May 2016
• views: 186415

We know speed limits exist to prevent speeding related car accidents, but how exactly are they chosen? How Safe Are Self-Driving Cars? ►►►► http://bit.ly/20wW8ER Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read More: Long-Term Effects of Repealing the National Maximum Speed Limit in the United States http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2724439/ "We examined the long-term effects of the 1995 repeal of federal speed limit controls on road fatalities and injuries in fatal crashes. We used a Poisson mixed-regression model to assess changes in the number of fatalities and injuries in fatal crashes between 1995 and 2005 on rural interstates, where all US states have raised speed limits since the repeal, as well as on urban interstates and noninterstate roads, where many states have raised speed limits" Traffic Safety Facts: Speeding http://www-nrd.nhtsa.dot.gov/Pubs/812162.pdf "NHTSA considers a crash to be speeding-related if the driver was charged with a speeding-related offense or if a police officer indicated that racing, driving too fast for conditions, or exceeding the posted speed limit was a contributing factor in the crash." Methods and Practices for Setting Speed Limits http://safety.fhwa.dot.gov/speedmgt/ref_mats/fhwasa12004/fhwasa12004.pdf "This report presents the various procedures that highway agencies can and do use to set speed limits. It is an informational report and provides a broad overview of the different speed limit setting methods that are available, but makes no specific recommendations or suggestions." ____________________ DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily. Watch More DNews on TestTube http://testtube.com/dnews Subscribe now! http://www.youtube.com/subscription_center?add_user=dnewschannel DNews on Twitter http://twitter.com/dnews Trace Dominguez on Twitter https://twitter.com/tracedominguez Lissette Padilla on Twitter https://twitter.com/lizzette DNews on Facebook https://facebook.com/DiscoveryNews DNews on Google+ http://gplus.to/dnews Discovery News http://discoverynews.com Download the TestTube App: http://testu.be/1ndmmMq