Pedestrian Safety Prediction Methodology for Urban Signalized Intersections

Source: Transportation Research Board

A coordinated effort is underway to develop a Highway Safety Manual (HSM) for use in making quantitative estimates of the safety performance of specific highway types and quantitative estimates of proposed improvements to specific highway types. The highway types being addressed in the first edition of the HSM are rural two-lane highways, rural multilane highways, and urban and suburban arterials. Explicit consideration of pedestrian safety on urban and suburban arterials is considered critical to implementation of the first edition of the HSM.

The objective of this research was to develop a methodology for quantifying the pedestrian safety effects related to existing site characteristics and/or proposed improvements on urban and suburban arterials. The pedestrian safety prediction methodology has been developed to function as a component of the overall safety prediction methodology for urban and suburban arterials proposed for the first edition of the HSM. In this research, a prediction methodology for vehicle pedestrian collisions at signalized intersections was developed. This methodology includes base
models for three- and four-leg signalized intersections and several accident modification factors (AMFs).

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