Results 1 to 10 of about 51,689 (261)

Empirical modeling of the relationship between decision sight distance and stopping sight distance based on AASHTO [PDF]

open access: yesArchives of Transport, 2018
The paper introduces implementation of highways' stopping sight distance (SSD) and decision sight distance (DSD) based on AASHTO modeling assumptions. SSD characterizes the necessary distance for highway vehicles to stop safely in front from an obstacle.
Shy BASSAN
doaj   +2 more sources

A New Stopping Sight Distance Model and Fuzzy Reliability Analysis Comparison

open access: yesIEEE Access, 2022
Aiming at the problem that the existing stopping sight distance model is out of sync with the development of the times, this paper puts forward a new stopping sight distance model considering the fuzziness and randomness of design parameters, and deduces
Ya Chen   +3 more
doaj   +3 more sources

Intersection Sight Distance Characteristics of Turbo Roundabouts

open access: yesDesigns, 2021
A turbo roundabout uses spiral circulatory roads for effectively counteracting the problems faced in modern multilane roundabouts. First developed in 1996, the turbo roundabout has an advantage over the conventional roundabout regarding capacity and ...
Akshay Salwan   +3 more
doaj   +3 more sources

Revision of Calculation of Stopping Sight Distance

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2011
Stopping Sight Distance (SSD) is a critical parameter for roadway geometric design and safety evaluation. It experienced several revisions in AASHTO Green Books (A Policy on Geometric Design of Highways and Streets) since 1940.
Jianchuan Cheng   +3 more
doaj   +3 more sources

Reliability Analysis of Intersection Sight Distance at Roundabouts [PDF]

open access: yesInfrastructures, 2020
This paper presents a reliability-based method for the design of intersection sight distance (ISD) at traffic roundabouts using the linear and nonlinear deceleration profiles of the entry vehicles.
Said M. Easa   +4 more
doaj   +2 more sources

An Improved Adaptive Kalman Filter Positioning Method Based on OTFS [PDF]

open access: yesSensors
To mitigate the degradation of positioning accuracy in sixth-generation mobile communication systems under dynamic line-of-sight (LOS) and non-line-of-sight (NLOS) conditions, this paper proposes an improved adaptive Kalman filter positioning method ...
Siqi Xia, Aijun Liu, Xiaohu Liang
doaj   +2 more sources

Sight distances at unsignalized intersections: a comparison of guidelines and requirements for human drivers and autonomous vehicles [PDF]

open access: yesArchives of Transport, 2021
Many traffic accidents are caused by unforeseen and unexpected events in a site that was hidden from the driver's eyes. Road design parameters determining required visibility are based on relationships formulated decades ago.
Zsófia Magyari   +3 more
doaj   +1 more source

Calculating TIN-Based 3D Sight Distance and Its Evaluation on Drivers Free-Flow Speed

open access: yesShock and Vibration, 2021
Sight distance during driving may be limited by side factors such as mountain slopes or trees and buildings in horizontal curves and by the dome of the arc in vertical curves, and the night vision also can be limited in the sag vertical curves by the ...
Ali Sahaf   +2 more
doaj   +1 more source

Practicing Engineers Conceptions of Sight Distance and Stopping Sight Distance within the Context of Highway Design [PDF]

open access: yes2011 ASEE Annual Conference & Exposition Proceedings, 2020
Practicing Engineers Conceptions of Sight Distance and Stopping Sight Distance within the Context of Highway DesignCivil engineering departments report to strive to prepare their graduates to beproductive and innovative design engineers. High passing rates on theFundamentals of Engineering exam, coupled with relatively poor performance onconcept ...
Shane Brown   +2 more
openaire   +2 more sources

On Romeo and Juliet problems: Minimizing distance-to-sight [PDF]

open access: yesComputational Geometry, 2019
12 pages, 8 figures; appeared in Proc. 16th Scandinavian Symposium and Workshops on Algorithm Theory (SWAT 2018)
Hee-Kap Ahn   +4 more
openaire   +7 more sources

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