The Truth About Speed Limits
This article boil down certain basic truths, concepts, and arguments about speed limits to their essential elements.
Do Speed Limits Matter?
This article looks at what might happen if there were no speed limits and wheter or not they matter.
Restoring Speed Limit Credibility
This page has a paper relating to speed limits that was submitted to the Transportation Research Board Annual Meeting in 2000.
Safety & Setting Speed Limits
This article is a thorough analysis of speed limits and their effect on safety.
Establishing Safe and Realistic Speed Limits
This educational presentation titled "Establishing Safe and Realistic Speed Limits" was given by the Michigan State Police to the Michigan House and Senate Transportation Committees in February 2011. The State Police also publish a booklet titled "Establishing Realistic Speed Limits" at www.michigan.gov/speedlimits. These publications explain the safety value of using realistic 85th percentile posted speed limits.
Speed limits should be based on sound traffic-engineering principles that consider responsible motorists' actual travel speeds.
Typically, this should result in speed limits set at the 85th percentile speed of free-flowing traffic (the speed under which 85 percent of traffic is traveling).