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Reliability Analysis of Left-Turn Sight Distance at Signalized Intersections
Journal of Transportation Engineering, 2016The current method for the analysis of sight distance for left-turn vehicles at signalized intersections assumes that all component variables are deterministic. This paper presents a probabilistic approach based on such random variables as major-road speed, time gap required for left-turn vehicle, vehicle width, lateral position of left-turn vehicle ...
Said M Easa, Easa Said M
exaly +2 more sources
Transportation Research Record, 2018
A Policy on Geometric Design of Highways and Streets, 6 th Edition, (publisher: AASHTO), provides design criteria for minimum sight distances, including intersection sight distance (ISD). An understanding of the relationship between ISD and safety at stop-controlled intersections is needed ...
Scott Himes, Richard J Porter
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A Policy on Geometric Design of Highways and Streets, 6 th Edition, (publisher: AASHTO), provides design criteria for minimum sight distances, including intersection sight distance (ISD). An understanding of the relationship between ISD and safety at stop-controlled intersections is needed ...
Scott Himes, Richard J Porter
exaly +2 more sources
A Visibility and Safety Assessment of Urban Intersection Sight Distance using mobile LiDAR Data [PDF]
, 2021 This thesis focuses on intersection sight distance design, which is an extremely critical element in urban road design. Research has shown that providing adequate sight distance contributes to safe operation at intersections. Conversely, a restricted sight distance impacts drivers’ fields of vision and reduces their ability to complete certain ...
Kilani, Omar
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Design Guidelines for Symmetrical Single-Lane Roundabouts Based on Intersection Sight Distance
Journal of Transportation Engineering Part A: Systems, 2017AbstractChecking roundabout sight distance is currently performed graphically. This paper develops analytical models for lateral clearance at symmetrical single-lane roundabouts based on intersecti...
Said M Easa, Easa Said M
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Lidar Data-Based Method to Measure Sight Distance at Unsignalized Intersection
Transportation Research RecordAccurate assessment of intersection sight distance (ISD) is crucial for ensuring safety at unsignalized intersections. Traditional field measurement methods are labor-intensive, time-consuming, and susceptible to human error, while previous lidar-based approaches often rely on mobile lidar scanning systems, which have limited data coverage.
Fangjian Yang, Huaguo Zhou
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Stop-Controlled Intersection Sight Distance: Minor Road on Tangent of Horizontal Curve
Journal of Transportation Engineering, 2009Sight distance at the intersection of a minor road (controlled by a stop sign) and a major road is an important element of road safety. Several models have been recently developed for the analysis of sight distance at intersections involving horizontal curves on the major road.
Said M Easa +2 more
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Intersection Sight Distance Requirements for Basic Turbo Roundabouts
Journal of Transportation Engineering Part A: Systems, 2023Said M Easa, Easa Said M
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Sight-Distance Requirements for Left-Turning Vehicles at Two-Way Stop-Controlled Intersections
Journal of Transportation Engineering Part A: Systems, 2017AbstractThe current highway geometric design guide provides a method for calculating intersection sight distance at two-way stop-controlled intersections by assuming that a departing driver on the ...
Essam Dabbour, Said M Easa
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Estimating the Safety Effects of Intersection Sight Distance at Unsignalized Intersections
Transportation Research Record: Journal of the Transportation Research Board, 2016A gap acceptance crash is one of the most common types of multivehicle crashes at unsignalized intersections. Drivers’ gap acceptance is influenced by the intersection sight distance (ISD). Before this research, the relationship between ISD and safety (measured by crash frequency) at unsignalized intersections was not quantified.
Scott Himes +4 more
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