This study focuses on the morning commute problem with explicit consideration of cruising-for-parking, and its adverse impacts on traffic congestion. The cruising-for-parking is modeled through a dynamic aggregated traffic model for networks: the Macroscopic Fundamental Diagram (MFD). Firstly, we formulate the commuting equilibrium in a congested downtown network where travelers have to cruise ...

We apply model predictive control to optimally coordinate variable speed limits and ramp metering. The basic idea is that speed limits can increase the (density) range in which ramp metering is useful. For the prediction we use a slightly adapted version of the METANET traffic flow model that takes the variable speed limits into account. The optimal control signals aim at minimizing the total t...

This paper argues that California’s self-help county tax legislation, which funds additional highway spending, amounts to a natural experiment that can be used to construct a valid instrument to determine highway congestion’s causal effect on the growth rates of GDP, employment, wages, and commodity freight flows for California counties. Our estimation results indicate that highway congestion h...

VANET based information systems have considerable promise for improving traffic safety, reducing congestion and increasing environmental efficiency of transportation systems. However, the potential of these systems will not be realized until the issue of network security is fully resolved. In this paper, we introduce a security scheme called Temporary Authentication and Revocation Indicator for...

Traffic congestion becoming the severe problem in most of the places of the world. From increased stress levels to serious national economical drawbacks and from time wastage to unrecoverable environmental issues. There are many traffic management and routing solutions have been researched ,developed and tested over and again , But still there are some areas that critically contribute to affect...

Traffic congestion is an increasing problem in urban environments. As cities develop, more traffic is featuring on the roads. However, adequate and timely measures are required in terms of infrastructure development to facilitate smooth flow of traffic. In this research we have designed and implemented a traffic advisory system for Islamabad, Pakistan. This system advises the commuter of the sh...

Supported by general revenues from the State of Texas. 16. Abstract In the United States, a significant number of individuals depend on the auto mode of transportation. The high auto dependency, in turn, has resulted in high auto travel demand on highways. The resulting traffic congestion levels, surging oil prices, the limited ability to address increased auto travel demand through building a...

This paper considers a design problem of controllers for wire-less vehicles in the developed networked control system. The developed system consists of a wire-less vehicle and some computers which configure a computer network. The vehicle is controlled over the computer network. One of the computers is a router which has an active queue management mechanism to keep the queue size constant and t...

Traffic congestion index (i.e., TCI) is a metric for measuring urban road congestion degree. Since traffic congestion has been one of the major issues in most metropolises, it is a crucial demand to know the TCI of every road segment at every time slot. However, it is a challenging task, because the TCI sensors (e.g., road-side sensors, floating vehicles, etc.) are limited in spatial or tempora...

Motor vehicles are one of the major sources of air pollution in Dhaka, the capital of Bangladesh. The government took various policies to convert the petroleum vehicles on road to run on compressed natural gas (CNG), which allows both air quality improvements and energy security benefits. One of the market friendly policies to encourage the fuel switch was to increase the price differential bet...