[HTML][HTML] Estimating operating speed for county road segments–Evidence from Italy
Vehicle operating speed is a crucial factor for road safety, as it strictly affects occurrence and
severity of crashes. Usually, 85th percentile of the operating speed distributions (ie, V 85) in …
severity of crashes. Usually, 85th percentile of the operating speed distributions (ie, V 85) in …
Operating speed: review and recommendations for future research
The primary aim of transportation is to facilitate movement of people and goods in a safe and
efficient manner. To meet the objectives of transportation, there are many challenges from …
efficient manner. To meet the objectives of transportation, there are many challenges from …
Speed-based reliability analysis of 3D highway alignments passing through two-lane mountainous terrain
The present highway geometric design is governed by design speed and considers all other
variables such as terrain, roadway, and driver characteristics as deterministic. The behavior …
variables such as terrain, roadway, and driver characteristics as deterministic. The behavior …
Effect of horizontal curve geometry on vehicle speed distribution: A four-lane divided highway study
Poor coordination between geometric elements of horizontal curves can lead to unsafe
speed. This study evaluated the effect of horizontal curve geometry on vehicle speed …
speed. This study evaluated the effect of horizontal curve geometry on vehicle speed …
Modeling 85th percentile speed using spatially evaluated free-flow vehicles for consistency-based geometric design
This paper investigates the free-flow condition suitable for four-lane divided highways and
proposes spatial free-flow speed–based operating speed prediction models. The 85th …
proposes spatial free-flow speed–based operating speed prediction models. The 85th …
Random‐Parameter Multivariate Negative Binomial Regression for Modeling Impacts of Contributing Factors on the Crash Frequency by Crash Types
C Wang, F Chen, J Cheng, W Bo… - Discrete Dynamics in …, 2020 - Wiley Online Library
Highways provide the basis for safe and efficient driving. Road geometry plays a critical role
in dynamic driving systems. Contributing factors such as plane, longitudinal alignment, and …
in dynamic driving systems. Contributing factors such as plane, longitudinal alignment, and …
Effect of horizontal curve geometry on the maximum speed reduction: a driving simulator-based study
Operating speed reduction models can be used to evaluate the geometric design
consistency. The proposed study developed a maximum speed reduction model for drivers …
consistency. The proposed study developed a maximum speed reduction model for drivers …
Setting the speed limit for highway horizontal curves: A revision of inferred design speed based on vehicle system dynamics
Y Chen, T Shi, S Yu, Q Shi, J He, Y Bian - Safety science, 2022 - Elsevier
An inferred design speed (IS) is the maximum vehicle speed for which all critical design
speed-related criteria are met at a particular location, which is widely recognized as an …
speed-related criteria are met at a particular location, which is widely recognized as an …
[HTML][HTML] Evaluation of reverse curves focusing on the lateral friction demand on four-lane divided highways
Horizontal curves on mountainous roads are highly crash-prone and geometric consistency
is vital in their design. The drivers' lateral friction demand will be significantly affected if there …
is vital in their design. The drivers' lateral friction demand will be significantly affected if there …
Drivers' ability to distinguish consecutive horizontal curves
Driver error in distinguishing preceding and upcoming horizontal curves can lead to single-
vehicle fatal crashes. The 3D perspective views of different horizontal curve stimuli were …
vehicle fatal crashes. The 3D perspective views of different horizontal curve stimuli were …