[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 …
Modeling operating speed using continuous speed profiles on two-lane rural highways in India
The geometric elements of the road, such as tangents and curves, play a vital role in road
safety because significant crashes are reported on the horizontal curves and tangent-to …
safety because significant crashes are reported on the horizontal curves and tangent-to …
A modified motion planning algorithm for horizontal highway alignment development
A horizontal alignment can be represented by three key factors: number of horizontal points
of intersection (HPIs), their locations, and corresponding horizontal curve radii. Deciding all …
of intersection (HPIs), their locations, and corresponding horizontal curve radii. Deciding all …
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 …
Operating speed prediction models by vehicle type on two-lane rural highways in Indian hilly terrains
The present study aims to develop vehicle type-wise operating-speed prediction (OSP)
models for heterogeneous traffic on two-lane rural highways in Indian hilly terrains. For the …
models for heterogeneous traffic on two-lane rural highways in Indian hilly terrains. For the …
Safety effects of paved shoulder width on a four-lane divided rural highway in India: A matched case-control study
LS Bisht, G Tiwari - Safety science, 2022 - Elsevier
Research has revealed the safety benefits of shoulder improvements on highways are
significant. The study aimed to assess the impact of paved shoulder width on the frequency …
significant. The study aimed to assess the impact of paved shoulder width on the frequency …
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 …