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Freight network planning and the application of distribution innovations are popular fields of research on sustainable urban logistics. However, considerable research on freight network design lacks a comprehensive consideration of the application of distribution innovations. This observation implies that sustainable urban freight research appears highly fragmented in topics of network design and distribution innovations. From the perspective of long-term planning, this situation possibly serves as a barrier to further promotion of sustainability. The objective of this paper is to analyze existing research gaps of literature to further promote the sustainability of urban logistics systems from a future perspective.

This paper employs a systematic literature review (SLR) method, which covers 164 papers and research works published in 2013–2018. The article corpus involved the innovative schemes of freight network design and the emerging delivery concepts in cities. Based on an analysis of articles' relevance, the most significant research contributions on both city logistics network design and exploitation of distribution innovations are detected.

This paper has found four research gaps in aspects of network design and distribution innovations. To respond to these gaps, we propose the research framework of sustainable and flexible future urban freight planning (SFFUFP) based on trends of city development, while discussing further research direction on urban freight planning.

The authors have found four research gaps in aspects of both urban freight network design and distribution innovations in which scholars could be encouraged to contribute. The research framework of SFFUFP can further promote sustainable urban logistics from a view of future management.

This paper provides an extensive review of surveys and data-collection programmes focused on urban goods movement (UGM). Surveys investigating passenger urban travel have a decades-long tradition. The same is not true for UGM. The first specific UGM surveys appeared about 10 years ago in response to the rapid growth of car traffic, congestion, pollution and lack of space. Most of the time, these surveys have been carried out to resolve specific, local problems concerning traffic. Only a few of them have taken a global approach to urban logistics by including all logistics operators (own-account and carriers), all delivery vehicles (heavy and light vehicles), all deliveries and pickups (from express to full payload) and an entire metropolitan area and surroundings. Due to various European programmes, an inventory has been created to analyse urban goods data collection according to spatial level and methodology of capture. With this inventory, European urban freight indicators can be described, along with the units in which they are measured and their purposes. The relevance of urban goods transport surveys lies in their capacity to give decision-makers an account of urban freight transport functioning, ratios and data, so as to help in formulating planning, regulation and forecasting. It appears that focusing on the movement (delivery/pick-up), as the unit of analysis in establishment-driver surveys is the most efficient approach to describe the generation of vehicular flow in the city. This fact is revealed in the French UGM surveys, which take into account the complexity of urban logistics.

The distribution of freight in most urban areas is characterised by high concentrations of truck activity in central business districts (CBD's). In this context, the movement of freight from suppliers, to resellers to ultimate customers is typically performed by a very large number of small carriers who duplicate each other's paths with partially filled trucks while each is in the process of picking up and delivering a large number of very small shipments. In many communities, this distribution structure results in unnecessarily high levels of congestion, pollution and energy consumption, as well as high distribution costs which are passed on to consumers in higher product costs. Several decades ago, business organisations responded to these pressures and initiated shippers' associations and freight forwarder operations to achieve the economies of consolidated shipments. Since 1942, however, the growth in the number of freight forwarders has been drastically curtailed.

The purpose of this paper is to describe and analyse a case of local freight stakeholder involvement to plan and design eco-efficient city logistics innovations in Como, a small city in Italy. While the importance of a well-functioning urban goods distribution system is widely acknowledged, city authorities have become increasingly aware of the need to minimise the negative impacts associated to the system. There are now countless examples of attempts to increase the eco-efficiency of urban freight deliveries; however, very few have made a notable impact. The success of such schemes often depends upon the response of a range of private sector freight stakeholders and their involvement during the planning process of these solutions is crucial.

To engage local freight stakeholders within the planning process of a city logistics project, the logical framework approach, in the form of the design and monitoring framework (DMF) developed by the Asian Development Bank, has been applied.

The structured consultation process implied within the DMF approach allowed urban freight stakeholders to share their aspirations from the beginning of the city freight planning process, despite their differences in priorities in adopting eco-efficient logistics innovations. The process ensured that city stakeholders accepted and committed to the city logistics strategies formulated during the consultation process, namely: changes to the Limited Traffic Zone regulation, the use of an urban consolidation centre and hybrid electric truck adoption.

The evaluation of the DMF application will be definitive after the demonstration/implementation stage of the city logistics project. It will then become clear if freight stakeholders have committed to the project and if it is effective in delivering the expected outputs and outcomes.

Local city authorities may find this method useful in situations where a structured consultation process is needed for addressing urban freight issues. This is especially the case in the context of introducing innovative, eco-efficiency solutions.

The application of DMF in the developed environment can be considered novel; this paper extends this with an application to the promotion of sustainable urban freight.

The purpose of this chapter is first to establish a state of the art about cargo tram, in order to understand its opportunities and constraints. In a second step, the aim is to add an often overlooked spatial dimension in the analysis, which may offer a renewed insight into the issue and extend the understanding of the potential use of urban light rail for freight.

The first step of the analysis is carried out through a study of the literature. In particular, the potential use of cargo tram for the various urban supply chains is evaluated. The aim is to establish a European state of the art on urban light rail use for freight. Then, to concretise these elements and to add an empirical geographical approach, the Brussels situation is studied in detail.

This combination of a theoretical analysis and a field approach of the case of Brussels allows us to lead an original study. Obstacles, opportunities and interest for the implementation of cargo trams are specified. In addition, the use of geographical approach gives a new point of view since most of the publications in this field are based on economic or technical approaches.

This study may help public and private actors involved in urban freight matters, as well as public transport companies, to better understand the issues related to cargo trams. In a context where this transport mode is promoted and discussed in a growing number of cities and urban supply chains, it is useful to get an objective synthesis and a prospective analysis on this topic. This research may also have social implications in the way it helps to define a more sustainable urban logistics.

The originality of this research is related to the combination of a theoretical and empirical approach, to the link that is made between urban supply chains and capabilities of cargo trams and finally to the prospective study on the Brussels case. Indeed, because of the novelty of the topic, there are very few studies, either ex-post or ex-ante.