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Marco Bassani, Nives Grasso, Marco Piras and Lorenzo Catani
The available sight distance (ASD) is that part of the roadway ahead which is visible to the driver, and should be of sufficient length to allow a vehicle traveling at the designated speed to stop before reaching a stationary object in its path. It is fu...
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Magda Pluta and Bartosz Mitka
This paper describes the algorithm of the view factor (V-factor). It is based on an analysis of visibility, taking into account the attractiveness of the observed elements in a three-dimensional space. The results of the V-factor analysis provide input f...
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Shinji Tanaka, Shinya Ohno, Fumihiko Nakamura
Pág. 1342 - 1351
In high demand seasons, heavy traffic causes congestion not only on main carriageways but also in rest areas. Congestion in rest areas make vehicles cruising, crawling, standing and sometimes reverse running inside the area to find a parking lot. Such ve...
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Ana Tsui Moreno, Carlos Llorca, Alfredo Garcia
Pág. 319 - 330
The Highway Capacity Manual (HCM) defines the level-of-service criteria for two-lane highways based on three performance measures: average travel speed (ATS), percent time spend following (PTSF) and percent of free-flow speed (PFFS). The performance meas...
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