This article is founded on 426 investigated companies, dealing with road freight transport. The respondents were both from trucking companies, dealing exclusively with trucking and transport units of manufacturing enterprises which use transport as a supplementary activity [building industry,...

Der Straßengüterverkehr in Deutschland hat ein enormes Ausmaß angenommen: Mehr als 80 Prozent der gesamten volkswirtschaftsweiten Gütertonnage in Deutschland oder – in absoluten Zahlen– etwa drei Milliarden Tonnen Waren werden jährlich per Lkw transportiert. Entwicklungen wie die Tendenz...

As part of a study aimed at estimating suburban highway needs for year 2005, models were developed for forecasting daily vehicle miles of travel (DVMT) for urban areas and its distribution by highway functional class, urban location, and urban area size. A regression model combining both time...

Transportation-related decisions of people often depend on what everybody else is doing. For example, decisions about mode choice, route choice, activity scheduling, etc., can depend on congestion, caused by the aggregated behavior of others. From a conceptual viewpoint, this consistency problem...

It is certainly desirable that transportation forecasting models are correct in the sense that the traffic patterns they predict correspond to what would happen in reality under the circumstances assumed in the forecasting model. Unfortunately, it is notoriously difficult to transform the above...

The impact of automobile transport is recognised (without exaggeration) by every one of us. At daily commuting to the work, holidays, free time-time activities and so on traffic participant register certain level traffic volume. Level of volume is fundamental for speed of participant’s...

The largest volume waste stream associated with oil and gas production is produced water. A survey conducted by the American Petroleum Institute estimated that 20.9 billion barrels of produced water were disposed of in 1985 (Wakim 1987). Of this total, 91% was disposed of through disposal wells...

"This paper has provided a model framework of foreign assistance policy in the context of dynamic optimal control and investigated the environmental policies in LDCs that received some financial support from abroad. The model framework features a specific behavior of the social planner who...