Abstract
The purpose of this study is to investigate behavioral characteristics of older pedestrians while crossing a street using an unsignalized crosswalk and to present a pedestrian signal warrant for the elderly. The most important finding was that many older people may not compensate appropriately for their slower walking speeds, that is, older people accepted the same critical gaps in vehicular traffic as younger people when they cross, taking no account of their walking speed decline. A simulation model was developed based on crossing behavior of older pedestrians and a pedestrian signal warrant was proposed. The warrant provided the minimum main street traffic volume for a given street width to install a pedestrian signal.
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