Estimating safety performance functions for two-lane rural roads using an alternative functional form for traffic volume

•New SPF functional form proposed that allows traffic volume to have different elasticities in different ranges.•Proposed form allows for continuous relationship between predicted crash frequency and traffic volume.•Proposed models shown to better fit observed data that traditional and other forms....

Ausführliche Beschreibung

Bibliographische Detailangaben

Veröffentlicht in:	Accident analysis and prevention 2021-07, Vol.157, p.106173-106173, Article 106173
Hauptverfasser:	Gayah, Vikash V., Donnell, Eric T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Negative binomial regression Roadway safety Safety performance functions
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!