Vassilios Matragos

Vassilios Matragos
National Technical University of Athens | NTUA · Department of Transportation Planning

PhD Candidate

About

7
Publications
294
Reads
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2
Citations
Additional affiliations
December 2018 - present
National Technical University of Athens
Position
  • Research Assistant
October 2018 - present
National Technical University of Athens
Position
  • PhD Student
Education
October 2012 - July 2018
National Technical University of Athens
Field of study
  • Civil Engineering

Publications

Publications (7)
Article
The paper investigates areas on sag vertical alignments where overpassing structures impose restrictions on truck drivers’ sight distance. The assessment is performed for the least desired case where the driver’s sightline is equivalent to the defined stopping sight distance (SSD). The overall objective is to define the boundaries where such overpa...
Conference Paper
The objective of this paper is the elaboration of a suitable methodology capable of deploying elements that characterize the existing infrastructure on two-lane rural roads, regarding road geometric elements (horizontal and vertical alignment, superelevation, sight distance), as well as location and geometric elements of intersections with the scop...
Article
In the present research, Stopping Sight Distance (SSD) adequacy is assessed through a three-dimensional approach, which associates road visibility in terms of grade effect. SSD adequacy is controlled through the difference between the available and the required SSD. The research is focused on a right turned, two lane rural road, associated with a c...
Article
The objective of this paper is the creation of a suitable methodology capable of deploying elements that characterize the existing infrastructure on rural two-lane highways regarding the location and geometric features of intersections and evaluating the built-in road safety. The target is the utilization of these elements to lead to evaluation coe...
Article
Full-text available
Stopping Sight Distance (SSD) is a vital design element, which directly affects the control values of critical road design parameters. Although grade marginally affects SSD values, most design guidelines disregard the grade impact during vehicle braking on variable grades. The paper investigates possible deficiency of this approach, regarding cases...
Article
Skew superelevation has proven to be an efficient pavement constructional measure to address hydroplaning phenomena under specific critical superelevation runoff designs. However, this technique has raised concerns about user’s comfort when driving over the skewed edge of the pavement, especially for heavy vehicles and when the traveling speed is h...

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