In April 2011, a conference with invited experts from research, policy and practice was held to build consensus around policy levers to address environmental determinants of obesity. The gap between existing policy tools and what can promote health through community design is a major policy opportunity. This commentary represents a consensus of next actions towards creating built environments t...

The rail freight carload service segment enables the distribution of freight volumes down to the unit of single rail cars, and stand as an important alternative to road transportation. However, this service segment is often associated with significant uncertainties and variations in daily freight volumes. Such uncertainties are challenging to manage since operating plans generally are establish...

This paper develops optimal inventory models for a firm with multiple items and multiple branches by taking into account the price discount of sizable procurement and the scale economies of centralized warehousing and consolidated transportation. Four inventory strategies are proposed: independent ordering and decentralized warehousing, independent ordering and centralized warehousing, joint or...

This paper examines implementation issues associated with the Inter-modal SurfaceTransportation Efficiency Act of 1991 (ISTEA). In particular, it discusses whether ISTEA ismore a truly revolutionary change in policy, or a continuation of the status quo. The articleconsiders these issues in the context of a legislation battle that did not produce clear winners andlosers, where bo...

Middle income trap merupakan kondisi dimana capaian pendapatan berada pada tingkah menengah selama bertahun-tahun dan tidak mampu bergerak ke tingkat yang lebih tinggi. Adanya Pandemi Covid-19 melanda seluruh dunia termasuk Indonesia menjadikan tantangan tersebut untuk keluar dari middle dalam extradionary. Perlu adanya terobosan sektor memiliki multiple effect sehingga mendorong perekonomian s...

BACKGROUND Policy changes were needed to reshape the built environment for active transportation. METHODS Using the social ecological model as a framework, the Healthy Hawaii Initiative worked with a contractor to develop a series of meetings, planning sessions, and workshops. Activities spanned 22 months between 2007 and 2009, and involved multiple stakeholders, including educational outreac...

INTRODUCTION Transportation and land-use policies can affect the physical activity of populations. Local health departments (LHDs) are encouraged to participate in built-environment policy processes, which are outside their traditional expertise. Cross-sector collaborations are needed, yet stakeholders' perceptions of LHD involvement are not well understood. The objective of this study was to d...

This paper argues that transportation planning methodologies must be built on the central thesis of the activity-based approach to travel demand modeling, namely, that travel is a derived demand that reflects people’s desire and need to participate in activities. The paper discusses why this foundation for transportation planning methodologies is necessary to address contemporary planning and p...

Research on freight transportation has seen a tremendous increase in the last decades, yet it lags behind that on passenger travel, particularly at a macro-level suitable for nation-wide policy analysis. A key challenge in freight demand modeling is the availability of data on key drivers of demand such as cost, time, and trip length which usually is proprietary and expensive. Moreover freight ...