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Major highway reconstruction can cause significant disruptions to existing travel patterns and economic activity. Reducing these impacts on travelers, shippers, businesses and residents requires that innovative and effective transportation management actions be developed and implemented. This paper reports the major findings and recommendations of a research study on managing transportation during highway, reconstruction. The primary objectives of the study were
–  to investigate and document the critical interrelationships among state-of-the-art reconstruction and scheduling techniques, traffic accommodation strategies, construction quality control measures, and project planning and evaluation processes, and
–  to formulate and recommend a corridor transportation management process that can be used to develop, implement and evaluate a transportation management plan of strategies to mitigate the corridor-wide impacts of major highway reconstruction.
The recommended process consists of five chronological phases, each composed of many tasks having related focuses within the overall process. Each task is designed to contribute to the common objective of seeing that an effective transportation management plan for mitigating travel impacts throughout the project corridor is successfully realized. This process was formulated on the basis of information collected on 25 highway reconstruction projects throughout the United States by way of site visits, direct meetings with project personnel, requests for documentation, and phone interviews.  相似文献   
2.
Despite a strong linkage with the macro-economic course, the bulk shipping market, in the short period, follows a typical cyclic pattern, where continuous freight adjustments balance demand and supply movements.

In this context—widely unstable but quite regular in its general scheme—the shipowners may have enough competencies and information to take logical and consistent decisions about ship purchasing and chartering.

Yet, why do they periodically make mistakes?

The analysis of shipowners’ behaviour provides a reasonable answer: mistakes incur when they ignore or undervalue the market trends, following their personal intuition or even unwisely imitating their competitors.

The analysis of the Handysize segment among the bulk shipping business offers a significant example of the lack of timeliness in shipowners' behaviour: after a long period of disregard, operators began to notice the opportunities of this market niche and they are now heavily investing in minor units. Maybe it's not too late, but the market has already changed and only a few brave—or lucky—shipowners took advantage of the magic moment.  相似文献   
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