Journal of Transportation Engineering, Part A: Systems: Recent submissions
Now showing items 3781-3800 of 4147
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Closure to “<i>E' and Its Variation with Depth</i>” by James D. Hartley and James M. Duncan (September, 1987, Vol. 113, No. 5)
(American Society of Civil Engineers, 1989) -
Application of VADAS to Complex Traffic Environments
(American Society of Civil Engineers, 1989)Data, collected correctly and analyzed systematically, provide a solid basis for understanding the traffic system. This paper discusses recent developments in the collection and analysis of video data. It is particularly ... -
Experiment Design Approach to Nondestructive Testing of Pavements
(American Society of Civil Engineers, 1989)An analysis of the errors involved in both the nondestructive testing data collection and the modeling of a pavement structure is presented. The errors are separated into: (1) Random errors associated with the measuring ... -
Failure of Concrete Pavements in Test Tracks
(American Society of Civil Engineers, 1989)Results of full‐scale accelerated traffic tests conducted by the U.S. Army Corps of Engineers were studied. It was found for similar pavements that relationships between observed failure coverages for different loads and ... -
Synthetic Models for Through Trips in Small Urban Areas
(American Society of Civil Engineers, 1989)This research studied the accuracy of borrowed synthetic models for estimating through trips in small urban areas. Three sets of models—NCI, NC2, and KY, which were previously developed in North Carolina and Kentucky, were ... -
Discussion of “<i>Behavior and Design of Buried Very Flexible Plastic Pipes</i>” by Jey K. Jeyapalan, S. Wesley Ethiyajeevakaruna, and Bruce A. Boldon (November, 1987 Vol. 113, No. 6)
(American Society of Civil Engineers, 1989) -
AASHTO Flexible Pavement Design Equation Study
(American Society of Civil Engineers, 1989)A revised flexible pavement design equation has recently been published by the American Association of State Highway and Transportation Officials. The revised equation contains new input parameters: resilient modulus, -
Closure to “<i>Behavior and Design of Buried Very Flexible Plastic Pipes</i>” by Jey K. Jeyapalan, S. Wesley Ethiyajeevakaruna, and Bruce A. Boldon (November, 1987 Vol. 113, No. 6)
(American Society of Civil Engineers, 1989) -
Discussion of “<i>Behavior and Design of Buried Very Flexible Plastic Pipes</i>” by Jey K. Jeyapalan, S. Wesley Ethiyajeevakaruna, and Bruce A. Boldon (November, 1987 Vol. 113, No. 6)
(American Society of Civil Engineers, 1989) -
Discussion of “<i>Behavior and Design of Buried Very Flexible Plastic Pipes</i>” by Jey K. Jeyapalan, S. Wesley Ethiyajeevakaruna, and Bruce A. Boldon (November, 1987 Vol. 113, No. 6)
(American Society of Civil Engineers, 1989) -
Model for Comparing Performance of Various Transit Maintenance Repair Policies
(American Society of Civil Engineers, 1989)This paper presents a simulation model suitable for comparing a bus maintenance system's performance under various repair policies. The scope of the model is restricted to measuring only the performance of a central, heavy ... -
Simulating Activity Chains: German Approach
(American Society of Civil Engineers, 1989)During the last decade a number of German researchers have developed a distinct form of urban‐transport modeling: the Monte‐Carlo simulation of urban travel based on the activity programs of the population. This approach ... -
Influence of Stopped Delay on Driver Gap Acceptance Behavior
(American Society of Civil Engineers, 1989)The influence of stopped delay on driver gap acceptance behavior is investigated for minor road drivers executing left‐turning maneuvers. The mean critical gap ( -
Analysis of Climate Effects on Performance of Unpaved Roads
(American Society of Civil Engineers, 1989)The performance of unpaved roads is strongly dependent upon the moisture content within the roadway profile. Unfortunately, there are no analytical models currently available for quantitatively predicting the influence of ... -
Computer‐Aided Design for Horizontal Alignment
(American Society of Civil Engineers, 1989)An accepted approach in conforming to the design standards for modern highways is to use a combination of arcs of circles and segments of clothoid spirals. The design of a horizontal alignment for a highway centerline can ... -
Freeway Surveillance and Control System Using Simulation Model
(American Society of Civil Engineers, 1989)This paper evaluates the current freeway surveillance and control system (FSCS) installed along 80 km (50 mi) of the Keelung‐Yangmei section of the Taiwan Freeway. The developed evaluation strategy uses the FREQ8PE simulation ... -
Accuracy of Turning Flow Estimates at Road Junctions
(American Society of Civil Engineers, 1989)Several methods for obtaining turning probabilities have been suggested to help in estimating turning flows. One of these methods is based on historical data of approach counts available for each intersection. The turning ... -
Performance of Full‐Scale Pavements Under Accelerated Loading
(American Society of Civil Engineers, 1989)This paper describes the performance of two pavement sections at the FHWA's Pavement Testing Facility. The sections are classified as thin and thick flexible pavements and were designed according to the new AASHTO design ... -
Erratum: “High‐Speed Rail Track Design” by Jan H. Zicha (January, 1989, Vol. 115, No. 1)
(American Society of Civil Engineers, 1989) -
Effect of Increased Truck Tire Pressure on Asphalt Concrete Pavement
(American Society of Civil Engineers, 1989)AS axle loads have increased, the use of higher tire pressures has become more popular in the truck market. A survey to collect data on current levels of tire pressure was carried out at a weigh station located on Interstate ...