نتایج جستجو برای: Volume-travel time function

تعداد نتایج: 3128090  

One of user's queries from navigation service is to find the nearest facility in terms of time. The facility that is being questioned by the user as a destination may have a queuing service system (e.g. bank), which means that the cost function of the shortest path includes the waiting time at the destination as well as the travel time. This research conducts in the zone 1 of Mashhad with Bank ...

Journal: :international journal of environmental research 2012
sh. afandizadeh n. kalantari h. rezaeestakhruie

nowadays, the environmental impact of transportation project and, especially air pollution impacts, are major concerns in evaluating transportation projects. based on this concern, beside definition of traditional objective functions like total travel time and total investment cost, different type of environmental related function is considered as objective function in urban network design. in...

Journal: :iranian economic review 0

in this paper the factors having influence on travel demand to iran are paper explored. the hypothesis of the research specifies the variable of “domestic upheavals and insecurity” as the most significant obstacle to expansion of the demand for travel to iran. to test the above hypothesis, first several demand models that have been proposed to study demand for tourism in different countries, ar...

2013
Justin GEISTEFELDT

For the economic assessment of road infrastructure investments and the evaluation of operational strategies, the estimation of travel times is of particular importance. The paper introduces a twocomponent model to estimate total or average travel times on freeways. The model differentiates between travel times in fluid traffic conditions, which depend on the length of the segment, and congestio...

Journal: :journal of industrial engineering, international 2011
l ogunwolu o adedokun o orimoloye s.a oke

short-term prediction of traffic flow is central to alleviating congestion and controlling the negative impacts of environmental pollution resulting from vehicle emissions on both inter- and intra-urban highways. the strong need to monitor and control congestion time and costs for metropolis in developing countries has therefore motivated the current study. this paper establishes the applicatio...

Journal: :international journal of environmental research 0
sh. afandizadeh faculty of civil engineering, iran university of science and technology, iran n. kalantari faculty of civil engineering, iran university of science and technology, iran h. rezaeestakhruie faculty of civil engineering, sharif university, iran

nowadays, the environmental impact of transportation project and, especially air pollution impacts, are major concerns in evaluating transportation projects. based on this concern, beside definition of traditional objective functions like total travel time and total investment cost, different type of environmental related function is considered as objective function in urban network design. in ...

Journal: Iranian Economic Review 2005

In this paper the factors having influence on travel demand to Iran are paper explored. The hypothesis of the research specifies the variable of “domestic upheavals and insecurity” as the most significant obstacle to expansion of the demand for travel to Iran. To test the above hypothesis, first several demand models that have been proposed to study demand for tourism in different countries, ar...

L Ogunwolu O Adedokun O Orimoloye S.A Oke

Short-term prediction of traffic flow is central to alleviating congestion and controlling the negative impacts of environmental pollution resulting from vehicle emissions on both inter- and intra-urban highways. The strong need to monitor and control congestion time and costs for metropolis in developing countries has therefore motivated the current study. This paper establishes the applicatio...

2006
Henry X. Liu Xiaozheng He Will Recker

Although the effects of travel time and its reliability have been addressed in a variety of papers concerning pricing policies, most of the existing research is based on the assumption that travelers’ preferences are static over a given time interval, such as the morning commuting period. Here, we relax this assumption, assuming rather that travelers’ tastes toward the travel time and its relia...

1997
Satish C. Sharma

R oad user cost is an important consideration in highway economic analyses. The two main components of this cost are (a) motorvehicle running cost and (b) travel time. Highway engineers and economists know that, for road user costs (running costs plus travel time), lower traffic volume usually provides the least unit cost; as volume increases, the cost to the user increases because of congestio...

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