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Assessing Stopping and Passing Sight Distance on Highways Using Mobile LiDAR Data
Journal of Computing in Civil Engineering, 2018AbstractGeometric design guides provide minimum standards that must be met to ensure the safe and efficient operation of highways.
Suliman Gargoum, Karim El-Basyouny
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Motorcyclist perception response time in stopping sight distance situations
Safety Science, 2012One of the most effective engineering measures is the provision of an exclusive motorcycle lane that separates motorcycles from other mixed traffic to reduce traffic congestion and motorcycle crashes. Even though the existing exclusive motorcycle lanes in Malaysia reduced the incidents of motorcycle crashes with other vehicles, the design of this ...
Seyed Rasoul Davoodi +2 more
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Driver Perception–Brake Response in Stopping Sight Distance Situations
Transportation Research Record, 1998One of the most important requirements in highway design is the provision of adequate stopping sight distance at every point along the roadway. At a minimum, this sight distance should be long enough to enable a vehicle traveling at or near the design speed to stop before reaching a stationary object in its path.
Daniel B Fambro, Kay Fitzpatrick
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New Stopping Sight Distance Model for Use in Highway Geometric Design
Transportation Research Record, 2000Stopping sight distance is an important design parameter in that it defines the minimum sight distance that must be provided at all points along the highway. Thus, it influences geometric design values, construction costs, and highway safety. Stopping sight distance is defined as the sum of two components—brake reaction distance and braking distance ...
Daniel B Fambro, Kay Fitzpatrick
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Safety Effects of Limited Stopping Sight Distance on Crest Vertical Curves
Transportation Research Record, 2000Previous studies that examined the relationship between stopping sight distance and safety have been inconclusive and inconsistent; however, the fact that a relationship has not been established does not necessarily imply that stopping sight distance is not a contributing factor in some crashes.
Kay Fitzpatrick
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Median design to provide stopping sight distance along horizontal curves in urban freeways
, 2022 A new approach to design the roadway and its roadside is necessary to provide both stopping sight distance and design flexibility along horizontal curves. This study focuses on median, dividing, and side strips to provide the stopping sight distance along not-straight paths.
Cantisani G., Loprencipe G., Moretti L.
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Stopping Sight Distance Requirements for Basic Turbo Roundabouts
Journal of Transportation Engineering Part A: SystemsSaid M Easa, Easa Said M
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Reliability of sight distance at stop-control intersections
Proceedings of the Institution of Civil Engineers - Transport, 2016The American Association of State Highway and Transportation Officials presents guidelines for intersection sight distance (ISD) based on extreme values of the component design variables such as speed and time gap. The guidelines for a stopped vehicle at a stop-control intersection on a minor road assume that the component design variables are ...
Said M. Easa, Altaf Hussain
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Stopping Sight Distance and Horizontal Sight Line Offsets at Horizontal Curves
Transportation Research Record: Journal of the Transportation Research Board, 2014Criteria for the design of horizontal curves implicitly rely on design speed to produce safe and efficient designs, particularly for horizontal sight line offsets and stopping sight distances. Current design guidance provides a method for calculating minimum horizontal sight line offsets that is accurate and valid only when both driver and object are ...
Jonathan S. Wood, Eric T. Donnell
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Three-Dimensional Stop-Control Intersection Sight Distance
Transportation Research Record: Journal of the Transportation Research Board, 2006Intersection sight distance is an important design element. A stopped vehicle on the minor road needs sufficient sight distance to depart (cross, turn left, or turn right) safely, even though an approaching vehicle on the major road comes into view. Current AASHTO policy assumes that both minor and major roads are straight and intersect at right angles.
Said M. Easa, Zain A. Ali
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