Analysis of effects of manhole covers on motorcycle driver maneuvers: a nonparametric classification tree approach

Traffic Injury Prevention
Li-Yen Chang

Abstract

A manhole cover is a removable plate forming the lid over the opening of a manhole to allow traffic to pass over the manhole and to prevent people from falling in. Because most manhole covers are placed in roadway traffic lanes, if these manhole covers are not appropriately installed or maintained, they can represent unexpected hazards on the road, especially for motorcycle drivers. The objective of this study is to identify the effects of manhole cover characteristics as well as driver factors and traffic and roadway conditions on motorcycle driver maneuvers. A video camera was used to record motorcycle drivers' maneuvers when they encountered an inappropriately installed or maintained manhole cover. Information on 3059 drivers' maneuver decisions was recorded. Classification and regression tree (CART) models were applied to explore factors that can significantly affect motorcycle driver maneuvers when passing a manhole cover. Nearly 50 percent of the motorcycle drivers decelerated or changed their driving path to reduce the effects of the manhole cover. The manhole cover characteristics including the level difference between manhole cover and pavement, the pavement condition over the manhole cover, and the size of the manhole...Continue Reading

References

Apr 10, 2002·Accident; Analysis and Prevention·Matthew G Karlaftis, Ioannis Golias
Dec 4, 2003·Accident; Analysis and Prevention·H KöllK W Axhausen
Jun 1, 2006·Accident; Analysis and Prevention·Li-Yen Chang, Hsiu-Wen Wang
Sep 9, 2006·Accident; Analysis and Prevention·Panagiotis Papaioannou
Nov 6, 2009·Accident; Analysis and Prevention·Noor ElmitinyDina Nashar
Nov 10, 2010·Journal of Safety Research·Anurag PandeAbhishek Das
Oct 6, 2012·Accident; Analysis and Prevention·Alfonso MontellaFilomena Mauriello

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Methods Mentioned

BETA
PCR

Software Mentioned

CART

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