Comparison of Speed Zoning Procedures and Their Effectiveness

This report describes the findings of a study conducted to determine if including factors in addition to the 85th percentile speed could increase the effectiveness of Michigan’s speed zoning procedure.

This study analyzes state-by-state fatality data published by the National Highway Traffic Administration derived from the Fatal Analysis Reporting System and Federal Highway Administration statistics.

In 1987, many states raised the maximum speed limtis from 55 to 65 mph on portions of their rural interstate highways. This press release summarizes the findings of a AAA-funded study conducted by Dr. Charles Lave.

This study reviews the principles and practices used to set speed limits. It is based mainly on a survey of traffic officials conducted by the American Association of State Highway and Transportation Officials (AASHTO).

This article is a thorough analysis of speed limits and their effect on safety.