Due to rapid development and urbanisation, the traffic systems in Perak are developing continuously growing numbers. Evaluation of junction concerning capacity safety is very important since it directly related delay, level service, accident, operation cost environmental issues. Traffic congestion happens due delay reduction average speed during AM Peak hours at two roundabouts. This study aims...

The ever-increasing travel demand outpacing available transportation capacity especially in the U.S. urban areas has led to more severe traffic congestion and delays. This study proposes a methodology for intersection signal timing optimisation an street network aimed minimise intersection-related delays by dynamically adjusting green splits of plans designed intersections each hour day respons...

We calculate bounds on per-lane Automated Highway System (AHS) capacity as a function of vehicle capabilities and control system information structure. We assume that the AHS lane is dedicated for use by fully automated vehicles. Capacity is constrained by the minimum inter-vehicle separation necessary for safe operation. A methodology for deriving the safe minimum inter-vehicle separation for ...

Proponents of Int,elligent Vehicle/Highway System or IVHS see it as a new technology which will make a major change in highway transportation. Control, communication and computing technologies will be combined into an IVHS system that can significantly increase safety and highway capacity without new roads having to be built. This paper outlines key features of one highly aut,omated IVHS system...

The dimensions of the road affect flow traffic passing over it. Even though lanes are same width, will not be because environment is different. This study aims to determine conditions and characteristics through density analysis level service on roads. research a type non-experimental research, like case with survey methods direct field observations performance network. primary data collected r...

BY XIAOYUE CATHY LIU, E.I.T., YINHAI WANG, PH.D., BASTIAN J. SCHROEDER, PH.D., AND NAGUI M. ROUPHAIL, PH.D. Introduction According to the 2011 Urban Mobility Report,1 roadway congestion cost a total of $101 billion and induced a total delay of 4.8 billion hours in the United States in 2010, with approximately 60 percent of the congestion occurring on freeways. Strategies have been implemented t...

El análisis de la circulación del tránsito en zona urbana es complejo, pues varios son los parámetros que intervienen las corrientes vehiculares. En el Manual Capacidad Carretera (Highway Capacity Manual, 2010), se establecen diferentes metodologías permiten evaluar condiciones operación tráfico; pero deben adaptar a características donde realice estudio. Tal caso utilizarlo territorio holguine...

This study aimed to investigate the relative performance of two models (negative binomial (NB) model and two-component finite mixture of negative binomial models (FMNB-2)) in terms of developing crash modification factors (CMFs). Crash data on rural multilane divided highways in California and Texas were modeled with the two models, and crash modification functions (CMFunctions) were derived. T...