Silvio Nocera

Silvio Nocera
Università Iuav di Venezia | IUAV · Department of Architecture and Arts

PhD

About

71
Publications
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1,155
Citations

Publications

Publications (71)
Chapter
Noise emissions are a relevant externality, which cause negative effects on affected population. Due to the topographic and physical characteristics of the geographical context, road transport in mountain areas is a main source of noise emissions. Adequate solutions have to be foreseen, able to reduce the impacts on affected population. First, this...
Article
According to EU directives, cost-benefit analysis (CBA) is adopted to assess the impacts of high-speed rail (HSR). CBA evaluates the effectiveness of such infrastructure, determining whether and to what extent the present benefits overcome the present opportunity costs. However, it fails to include equity issues, which are the key aspects of transp...
Article
Full-text available
A high-speed rail (HSR) system, which can be developed either by building a new segregated line or upgrading an existing line according to a given set of operational standards, is considered as a competitive solution to improve the accessibility of main destinations. Scientific literature has reported limited contributions regarding the impacts of...
Article
Noise and greenhouse gas (GHG) emissions are two of the main externalities caused by road transport. At the EU and national levels, many efforts have been implemented to reduce them. Photovoltaic noise barriers (PVNBs) are a technical solution conceived for such a joint objective. This paper presents a method of calculating the efficiency of PVNBs...
Article
Within the much broader framework of global interest, the dilemma concerning the real impact of mode of transport on the spread of COVID-19 has been a priority for transport stakeholders and policy-makers. How dangerous is it to move around a certain territory? Does the danger depend on the mode of transport? By considering a novel and detailed dat...
Chapter
Traffic-related air pollution is nowadays considered as a major externality from the transport sector. This paper conducts a literature review on three main topics: mechanisms of traffic-related air pollution formation and disposal, models in use for their simulation, and methods and models for the economic quantification of emissions. Providing an...
Article
The integration of passenger and freight transport has been the subject of debate among scholars from the beginning of the century, with a peak observed in the last five years. Considering the relatively recent interest in the topic, most authors have highlighted the heterogeneous and explorative approaches adopted so far, indicating a lack of syst...
Article
Rail-Road Combined Transport (CT) is a well-known issue for freight mobility: it is generally considered as a valid solution to reduce externalities without curbing mobility, but it often lacks adequate infrastructures and has high costs for operators. Hence, in most cases road continues to be the preferred solution. This condition is valid especia...
Article
Reducing some of the impacts generated by transport activities - such as congestion, crashes, noise, and air pollution - by redirecting some demand shares towards active modes of transport should be a priority for the environmental and social well-being of modern cities. This paper aims at proposing and evaluating a simple and transferable strategy...
Article
The “First-Last Mile” problem (FLM) is a relevant transport issue. According to the Green Paper on Urban Mobility, the combination of passenger and freight flows may be a valid approach to promote sustainable, efficient and socially desirable FLM transport. This paper proposes a set of key performance indicators to evaluate potential improvements i...
Chapter
Stakeholder involvement is now part of formal requirements of almost any transportation decision-making process in Europe, increasing the complexity while allowing for better, shared decisions. European institutions strongly promote participatory processes and have developed a regulatory framework as well as guidelines and tools for successful and...
Article
An analysis of the operational characteristics of the transit system serving the town of Velenje (Slovenia) revealed poor performance and the need for improvements. This paper describes the potential integration of an electric bike-sharing system and a semi-flexible demand-responsive transport system to effectively solve this issue. Additionally, g...
Article
Even if the concepts of climate change, tourism and transport are strictly connected, the scientific literature has mostly considered their pairwise relations, linking tourism to climate change, transport to climate change, or tourism to transport. This paper aims at considering the three concepts as a whole, exploring the three-cornered interactio...
Article
The introduction of High-Speed Railways (HSRs) redefines the connections between main territorial hubs, by reducing the travel times and guaranteeing better accessibility. Such infrastructures bring advantages in terms of travel performances, but have also some drawbacks especially for those, generally, mid-size cities that are downgraded. This pap...
Article
This paper deals with grid transit network schemes and their specific features: orthogonal main routes that do not overlap, increased transit frequency, and distance between bus stops in interchange areas to be optimized. So far, this solution has been successfully adopted in metropolitan areas with orthogonal urban shapes (as shown by the descript...
Article
“First-last mile” (FLM) is an informal composed-word, widely used to indicate the first and the last leg of each transport movement. In this paper, it is defined as a complex system characterized by three interconnected macro factors that determine the success of a transport planning system. This is a very challenging part of the transport system f...
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Full-text available
Commuting poses relevant challenges to cities’ transport systems. Various studies have identified transit as a tool to enhance sustainability, efficiency and quality of the commute. The scope of this paper is to present strategies that increase public transport attractiveness and positively impact its modal share, looking at some case studies and u...
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Diverse stakeholder participation in transport planning is beneficial but difficult to achieve, as it deals with various levels of government, operators, users, and other interested parties. Furthermore, such planning is confined by issues of geography, economics and human demand, and in the case of transport it must integrate with other territoria...
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Emission inventories are compiled at regional level. When these sources of information are used, uncertainty of emission estimates is never considered. In this paper, we propose an initial screening to identify whether and to what extent uncertainty related to emission inventories affects quantitative analysis used to set strategies and implement a...
Article
About half of the total nights spent in the EU is related to tourism concentrated in coastal destinations. Despite the numerous positive impacts, this form of tourism produces also negative externalities; the mobility to reach/leave and to move within a destination is responsible for a relevant part of them. However, specific measures addressing th...
Chapter
Transportation is a major source of both primary pollution and greenhouse gas emissions, and has been hence frequently the object of past analyses at several levels. This paper examines the outcomes of numerous previous strategies that dealt with one or more of the multiple dimensions of commuting (green technologies, transport management, urban pl...
Article
Carbon emissions from road transport are one of the main issues related to modern transport planning. To address them adequately, the acquisition of reliable data about traffic flow is an essential prerequisite. However, the large quantity and the heterogeneity of available information often cause problems; missing or incomplete data are one of the...
Article
Full-text available
The Brenner is the most heavily travelled transalpine corridor in terms of freight transport. The current modal split tends heavily towards road (71% road – 29% rail), with significant repercussions in terms of environmental and social impacts. Indeed, Alpine areas generate external costs that are up to four times higher than flat areas. The promot...
Article
Full-text available
To quantify CO2 emissions from road transport, literature suggests the adoption of several alternative methods, based on transport modelling and carbon modules. Some of these methods are labelled as a micro approach and others as a macro approach. Their distinction is made according to the temporal and spatial horizons, the aim of the study and the...
Article
Battery Electric vehicles (BEVs) are generally considered as potentially contributing to the reduction of CO2 emissions. Consequently, many countries have promoted (or are in the process of promoting) policies aimed at directly or indirectly subsidizing BEVs to accelerate their market uptake. The aim of this paper is to assess whether BEVs’ subsidi...
Article
Harnessing the potential of new generation transport data and increasing public participation are high on the agenda for transport stakeholders and the broader community. The initial phase in the program of research reported here proposed a framework for mining transport-related information from social media, demonstrated and evaluated it using tra...
Article
With 25% of CO2 transport-related emissions, urban freight mobility is a relevant cause of climate change. Its optimization is a main aim of the Sustainable Urban Logistic Plans. Currently, the CO2 analysis of such plans is mostly based on a Tank-To-Wheel approach, which does not consider fuel production and distribution, thus not providing a compr...
Article
Road pricing is a transport measure mainly conceived to fund road management, to regulate the demand for traffic and to reduce the number of private vehicles circulating in urban areas. It can also grant benefits in terms of environmental externalities including the reduction of CO2 emissions, which has recently become one of the most important ele...
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Full-text available
Several studies on the relationship between tourism transport and CO2 emissions have shown that the transport sector generates the largest proportion of emissions, accounting for 75% of overall emissions. These studies have also shown how the measures to reduce these emissions vary according to the different tourist destinations. Accordingly, this...
Article
This study investigates the effects of climate change on tourist mobility in mountain areas, distinguishing between infrastructure, transport operation and travel demand. We examine change in tourist travel demand by proposing a two-step approach to forecast its future development. A multi-origin, multi-destination model for tourism demand quantifi...
Article
The measurements necessary to estimate GHG emission inventories create uncertainty. Currently emission inventories are built on statistical data, parameters and some “other information.” Investigating the role of the latter has driven this analysis, since it has proven to be a key concept in understanding and reducing uncertainty. This article prop...
Article
This paper examines the potential role of hydrogen and electricity in reducing CO2 emissions from transport. First, we describe the main characteristics, costs and supporting policies of the two alternative fuels. Then we quantify and valuate economically the expected CO2 savings, examining the Italian province of South Tyrol a case study. Through...
Article
CO2 emissions are one of the main externalities related to freight transport. Their evaluation is extremely difficult, due to the presence of several scientific and economic uncertainties. This paper discusses the approaches currently adopted by literature to deal with CO2, proposing a methodology based on a Well-To-Wheel quantification and an econ...
Article
Considering the constant increase of greenhouse gas (GHG) transport emissions in the past years and the consequent global warming, their reduction must be one of the most important goals in mobility planning. However, mobility plans do not always target GHG reduction for political reasons and a lack of adequate methodologies. Practically, carbon em...
Article
Social media data now enriches and supplements information flow in various sectors of society. The question addressed here is whether social media can act as a credible information source of sufficient quality to meet the needs of transport planners, operators, policy makers and the travelling public. A typology of primary transport data needs, cur...
Article
Full-text available
To quantify the economic impact of greenhouse gas (GHG) emissions is considered one of the most important challenges in transport engineering towards the goal of sustainability. Current values, which are mostly provided by the use of Impact Assessment Models, can vary up to six orders of magnitude (from $-10.00/tC to $7,243.73/tC). Within this rang...
Chapter
Rapid and recent developments in social media networks are providing a vision amongst transport suppliers, governments and academia of ‘next-generation’ information channels. This chapter identifies the main requirements for a social media information harvesting methodology in the transport context and highlights the challenges involved. Three ques...
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Full-text available
Saving CO2 emissions constitutes one of the most delicate challenges of transport engineering. Coherently with EU and national directives, urban mobility and traffic plans should consider CO2 savings as one of the goals to be reached. In an apparent contradiction, however, the measures generally proposed within urban transport plans seem to operate...
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Full-text available
The valuation of carbon emissions is a relevant issue in transport planning. The Impact Assessment Models (IAMs) are adopted to obtain a fair price, but they provide a range of six orders of magnitude. We propose an integrative approach, based on the Multiple Agent Multi Criteria Decision Making (MAMCDM). The development of this methodology reveals...
Article
This chapter aims at defining a fair value for the Marginal Social Cost of Carbon (MSCC) to be used within transport planning, briefly discussing how it is influenced by economic and scientific uncertainty, with the scope of helping researchers, stakeholders and decision makers to choose among the current range of values of four orders of magnitude...
Article
SUMMARY As the main cause of the global warming, CO2 emissions are a relevant externality in the transport sector. However, feasibility assessments do not always take these effects into adequate account, because a number of scientific and economic uncertainties make it difficult to determine a reliable estimate for a unitary CO2 cost. This paper fi...
Article
Information flow plays a central role in the development of transport policy, transport planning and the effective operation of the transport system. The recent upsurge in web enabled and pervasive technologies offer the opportunity of a new route for dynamic information flow that captures the views, needs and experiences of the travelling public i...
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Transport stakeholders are increasingly recognizing the value of social media in connecting with their customers in many forms. This study explores two sides to engagement with social media - firstly the potential uses of social media by transport service suppliers and secondly the potential value to policy development of shared transport related i...
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Full-text available
La riduzione delle emissioni di CO2 è fondamentale per valutare la sostenibilità nella pianificazione dei trasporti. Tuttavia, la maggior parte dei piani di mobilità non è ancora riuscita a trovare una metodologia condivisa per internalizzare tali emissioni e renderle uno dei parametri in grado di influenzare attivamente le scelte finali sulle poli...
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Full-text available
Transport directly affects many aspects of national and local policy. Along with economic and cultural priorities, it has an important role in the dynamics of urban settlements - with efficient transport being vital to the operation of most economic and social services. As well, regional land use patterns are the result of regional spatial strategi...
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In recent years, a large body of literature has been published on the management of CO2 emissions. Despite the proposal of several methods for their monetisation, a definitive method remains to be found. This paper reviews some of the commonly adopted techniques and evaluates their pros and cons. The most reliable values for the years 2010-2020 hav...
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Full-text available
Background CO2 emissions are generally considered the most important indicator to determine the global warming effects. Their evaluation in the case of a transportation infrastructure is generally not easy and could be achieved through a separate balance. Method This paper introduces a new heuristic method for identifying the modifications in the...
Conference Paper
Full-text available
The current growing private travel demand generates high external costs and hence calls for effective solutions to be adequately managed. Unsustainable passenger modal choice is generally related to one of the following six factors: economic growth, increasing income levels, rising car ownership, transport system improvements, demographic changes a...
Article
A study was conducted to investigate the range of traffic management policies and technologies implemented, and to identify the role of ITS in European cities. To achieve this, data is collected from a number of cities directly, with the help of a purpose-developed questionnaire. The results offered a useful insight into the urban traffic managemen...
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Full-text available
Global warming is one of the causes of transportation unsustainability of our days and CO2 is generally considered the most important indicator for quantifying its effects. Reducing CO2 emissions from transportation by diverting traffic demand to less polluting modes has been one of the main priorities of European policy of the last decades and hen...
Article
This paper reviews assessment methods on transit quality, their application in stating the relationship with the demand for a certain service, and briefly the consequences in terms of transport policy of the process of transit quality assessment. This is discussed outside the context of the more familiar "predict and provide"method to an integrated...
Conference Paper
In order to cope with their growing traffic problems, cities throughout the world deploy Intelligent Transport System (ITS) applications in various fields of urban networks. The decision making process for the installation of ITS is a dialogue between the political instance of the municipalities and the planners. The strategic concept and the detai...
Conference Paper
Der vorliegende Bericht befasst sich mit einem speziellen Aspekt der Entscheidungstheorie, d.h. der Wahl einer bestimmten Strategie der Konkurrenz oder Kooperation mit einem eigentlichen Konkurrent. Hierbei ist das oberste Ziel des Akteurs eine Maximierung seiner eigenen Wettbewerbsfähigkeit. In der Fachliteratur ist diese Problemstellung als „Nego...
Conference Paper
The objective of this paper is to establish the state-of-the-art of urban traffic management in Europe, with a particular focus on Intelligent Transport Systems (ITS), using data collected from 34 cities directly with the help of a purpose-developed questionnaire. Several areas of traffic management are covered, such as: general statistics of the t...
Article
The method that evaluates public transport identifying a group of influencing factors and defining for each of them thresholds for the assessment of their performances is presented. The difference between quality and customer satisfaction is also not univocal. There appears to be at least three ways to differentiate between the two concepts. First,...
Article
The efficiency of an intermodal terminal is especially measured in terms of time waste for both traffic feeders and loading units (known as intermodal transport units, ITUs) from the moment they arrive at the terminal up to the leaving instant. This makes significant the estimation of the maximum traffic (normally referred to as ?capacity?) which a...
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Full-text available
Is there a relationship between economic fluctuations and transportation demand? How does a GDP variation influence passenger and freight mobility? Interested readers may find an answer to both these questions in the following paper. Taking Italian regions as subject of the analysis, the paper describes a simplified but rather reliable elasticity-b...
Article
Vehicle Routing Problem (VRP) has been the subject of many studies during the last few years. Many different kinds of algorithms were developed for its solution, as reviewed in Cordeau et al. (2004). This paper defines VRP as a fictitious play to give mathematical support to the effectiveness of some of the most known solution strategies and techni...
Conference Paper
Full-text available
In the last 15 years, freight market developments concerning organization, rules and data communication have determined a shift from planning to flexibility: this implies not only higher frequency and variety in the shipments, but also higher average speed, reliability and actual security of the travels. It is also important to be able to forecast...
Article
Vehicle Routing Problems (VRPs) have received a lot of attention in the recent years, both from a theoretical and practical perspective. Many variations of the problem have been studied: capacitated VRP, with multiple depots, with time windows etc. To this day, exact algorithms can only solve a relatively small number of cases with highly variable...
Article
Demand Responsive Transport Systems (DRTS) have been extensively trialed in rural Germany as part of the MOBINET (Mobility in the conurbation of Munich) and MOB2 (integration of private transport in public transport in rural areas). This paper describes the main features of DRTS management and two successful applications. It concludes that with the...
Article
1. Introduzione La misura della qualità dei servizi di trasporto collettivo rappresenta un tema di fondamentale importanza e interesse sia per le aziende che operano nel settore dei trasporti collettivi, sia per gli studiosi e per i pianificatori dei trasporti e del territorio. La rilevanza del tema è dovuta alla necessità di offrire servizi di tra...

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