Offset Speed Tables for Reduced Emergency Response Delay. Batson, S.
abstract   bibtex   
With the advent of speed humps (a.k.a. modern speed bumps) to reduce vehicle speeding on residential streets has come the unwanted cost of delay for Emergency Service Providers. Fire equipment, due to its size and weight, is particularly affected by speed humps. Past studies in Portland found delays per hump of up to 9.4 seconds for the 14-foot designs and 9.2 seconds for 22-foot speed tables. Testing of the offset speed table with median islands made advances in reducing delay for emergency vehicles into the 2-second range but was limited to use on wider streets due to the turning needs of larger fire equipment. This report provides a summary of the testing of the offset speed table with median islands as well as a recent alternative and makes a comparison to speed cushions, a tool often used where emergency response delay is of concern. This investigation was undertaken to evaluate a design that would permit the use of the offset speed hump on designated Emergency Response Routes regardless of the street width.
@article{batson_offset_nodate,
	title = {Offset {Speed} {Tables} for {Reduced} {Emergency} {Response} {Delay}},
	abstract = {With the advent of speed humps (a.k.a. modern speed bumps) to reduce vehicle speeding on residential streets has come the unwanted cost of delay for Emergency Service Providers. Fire equipment, due to its size and weight, is particularly affected by speed humps. Past studies in Portland found delays per hump of up to 9.4 seconds for the 14-foot designs and 9.2 seconds for 22-foot speed tables. Testing of the offset speed table with median islands made advances in reducing delay for emergency vehicles into the 2-second range but was limited to use on wider streets due to the turning needs of larger fire equipment. This report provides a summary of the testing of the offset speed table with median islands as well as a recent alternative and makes a comparison to speed cushions, a tool often used where emergency response delay is of concern. This investigation was undertaken to evaluate a design that would permit the use of the offset speed hump on designated Emergency Response Routes regardless of the street width.},
	language = {en},
	author = {Batson, Scott},
	pages = {12},
}
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