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Workplace travel plans: can they be evaluated effectively by experts?

机译:工作场所旅行计划:专家可以对其进行有效评估吗?

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摘要

Employers are regularly involved in transport planning and characteristic workplace-oriented tools include: (1) travel plans for building projects, (2) mandatory travel plans, (3) subsidies to employers with an advanced travel plan and (4) best travel plan awards. In all cases, experts judge the level of car use. We argue that decision-makers might benefit from a multiple regression-based benchmark modelling tool that estimates the expected share of the car. In this paper, we estimate the share of car users in the commuting modal split at workplaces. However, since the amount of information available to experts differs, we gradually add information to the model to measure the impact of data availability. Without historic data on modal split, the current share can only be predicted moderately well, i.e. within a 20% range. Besides adding the past, results improve by using homogenous and regional subsamples. Nevertheless, quantitative analyses do not make expert knowledge obsolete.
机译:雇主定期参与交通运输计划,并且以工作场所为导向的特色工具包括:(1)建筑项目的旅行计划,(2)强制性旅行计划,(3)对具有高级旅行计划的雇主的补贴以及(4)最佳旅行计划奖。在所有情况下,专家都会判断汽车的使用水平。我们认为,决策者可能会受益于基于多元回归的基准建模工具,该工具可以估算汽车的预期份额。在本文中,我们估计了工作场所通勤方式划分中汽车使用者的比例。但是,由于可供专家使用的信息量各不相同,因此我们逐渐将信息添加到模型中,以衡量数据可用性的影响。如果没有有关模式分割的历史数据,则目前的份额只能适度地预测,即在20%的范围内。除了添加过去,结果还可以通过使用同质和区域子样本来改善。但是,定量分析不会使专家知识过时。

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