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RISModeling Driver Visual Demand on Complex Horizontal Alignments
Publisher: American Society of Civil Engineers
Abstract: Visual information is one of the vital elements that affect driver workload. Previous studies have modeled driver visual demand on simple horizontal curves and have found that it is significantly affected by the curve ...
Sight-Distance Requirements for Left-Turning Vehicles at Two-Way Stop-Controlled Intersections
Publisher: American Society of Civil Engineers
Abstract: The 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 minor road that would start from ...
Proposed Empirical Approach to Measuring Traffic String Stability
Publisher: ASCE
Abstract: This study originated with the intent of qualifying traffic string stability from empirical observations. A new responsiveness angle measure was developed to assess driver instincts under vehicle-following conditions. In ...
Speed-Based Reliability Analysis of 3D Highway Alignments Passing through Two-Lane Mountainous Terrain
Publisher: ASCE
Abstract: The present highway geometric design is governed by design speed and considers all other variables such as terrain, roadway, and driver characteristics as deterministic. The behavior of road users can be impulsive, and ...
Automatic Framework for Detecting Obstacles Restricting 3D Highway Sight Distance Using Mobile Laser Scanning Data
Publisher: ASCE
Abstract: Periodic measurements of sight distance on as-built roads and subsequent removal of sight obstructions are important for guaranteeing highway safety. In this paper, an accurate and efficient framework is proposed for ...
Experimental Design for Measuring Operational Performance of Truck Parking Terminal Using Simulation Technique
Publisher: ASCE
Abstract: The paper presents the performance analysis of a well-designed truck parking terminal, which is planned for regulating truck traffic over a commercial port. The designed truck parking terminal is modeled using microscopic ...
Evaluation of Roundabout Capacity Models: An Empirical Case Study
Publisher: American Society of Civil Engineers
Real-Time Visualization Method for Estimating 3D Highway Sight Distance Using LiDAR Data
Publisher: American Society of Civil Engineers
Abstract: Light detection and ranging (LiDAR) data provide a rather precise depiction of the real three-dimensional (3D) road environment and have been used by some researchers to produce more precise available sight distance (ASD) ...
Performance Evaluation of Reinforced Asphalt Using Six Organic and Inorganic Fibers
Publisher: American Society of Civil Engineers
Abstract: This paper aims to evaluate the performance of asphalt individually reinforced by six types of fibers, including three organic and three inorganic fibers, to study the interface between fibers and asphalt, and to analyze ...
Developing Level-of-Service Criteria for Two-Lane Rural Roads with Grades under Mixed Traffic Conditions
Publisher: ASCE
Abstract: Traffic operations on two-lane rural roads differ substantially from those on divided carriageways due to vehicular interactions between traffic flows in the opposite directions. With the presence of grades and mixed ...