Traffic and Transportation StudiesAmerican Society of Civil Engineers, 1998 - Communication and traffic |
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Page 5
... crash rate that can be achieved through local improvements : potential crash reduction = crash rate - minimum crash rate The crash rate estimation uses multivariate regression models with Negative Binomial distributed crash counts ...
... crash rate that can be achieved through local improvements : potential crash reduction = crash rate - minimum crash rate The crash rate estimation uses multivariate regression models with Negative Binomial distributed crash counts ...
Page 6
... crash counts observed at a given site . First , it is assumed that the crash count process y at a given location is Poisson and has the mean value , λ . Fitting theoretical distributions to the cross - sectional crash counts indicated ...
... crash counts observed at a given site . First , it is assumed that the crash count process y at a given location is Poisson and has the mean value , λ . Fitting theoretical distributions to the cross - sectional crash counts indicated ...
Page 8
using crash counts . The question arises about the conditions that promote this result . The crash reduction takes values similar to crash counts if two conditions are met : 1. The crash rate estimates μ , tend to be closer to the crash ...
using crash counts . The question arises about the conditions that promote this result . The crash reduction takes values similar to crash counts if two conditions are met : 1. The crash rate estimates μ , tend to be closer to the crash ...
Contents
Methodologies for the Identification of Highway Safety Problem Areas | 1 |
Travel Time Prediction System TIPS for Freeway Work Zones | 20 |
Positive Roles and Issues | 30 |
Copyright | |
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AASHTO algorithm analysis application average Beijing calculated capacity Castle Peak Road China Chinese cities congestion constraints construction crash counts data warehouse database delay departure distance distribution dynamic traffic economic emission Engineering equilibrium evaluation expressway factors Figure forecasting freight function guided bus headway highway increase intersection interval iteration logistics method mode choice node Northern Jiaotong University optimal paper parameters parking passenger trains path pedestrian problem public transport queue rail railway transport refrigerated container road route RTWG Shanghai signal simulation solution solve Southwest Jiaotong University speed speed-increasing Spoornet stage structure subgrade Table track traffic flow traffic volume train operation transit transportation planning Transportation Research transportation system travel behavior travel cost travel demand trip truck urban transportation urban transportation planning variables vehicle Xiamen