In: Transportation Research Part C: Emerging Technologies, 77. S.257-274. Mehr Recent years have seen a renewed interest in Variable Speed Limit (VSL) strategies, and their potential as a freeway metering mechanism or a homogenization scheme. This paper uses empirical data to examine both the macroscopic and microscopic effects More
Paper presented at the 17th Swiss Transport Research Conference (STRC 2017), Ascona, Switzerland, May 17-19. PDF This paper takes a look at two possible scenarios of the impact of autonomous vehicles on pedestrian transport: a future streetscape perfectly suited for walking, with drastically reduced noise levels and exhaust emissions, More
Zürich: vdf Verlag. Mehr Mit dem revidierten Raumplanungsgesetz sind Gemeinden verpflichtet, ihre räumliche Entwicklung auf das weitgehend überbaute Gebiet zu lenken. In kleinen und mittleren Gemeinden fehlen jedoch Denkmuster für Innenentwicklung und im Schweizer Mittelland findet ein systematischer «Dichteverzicht» statt. Damit der Transformationsprozess im Hauptsiedlungsraum der Schweiz gelingen kann, More
Arbeitsberichte Verkehrs- und Raumplanung, 1225. Zurich: IVT, ETH Zurich. PDF Diese Publikation ist ein erster Versuch, die Kostenstrukturen etablierter und künftiger, auf autonomen Fahrzeugen basierenden Mobilitätsangeboten zu ermitteln, um so auf ihre jeweilige Rolle zu schliessen. Teils entgegen mancher Voraussagen lässt sich weiterhin ein substantieller Anteil an privatem More
Die Professur für Raumentwicklung hat in zahlreichen Gesprächen mit Vertreterinnen und Vertretern aus Gemeinden, Kantonen und dem Bund sowie mit weiteren Fachexpertinnen und -experten schweizweit gute Praxisbeispiele für die Umsetzung der Innenentwicklung in kleinen und mittleren Gemeinden gesucht.
The recently started project ENERGYSCAPE develops recommendations serving as a basis for a landscape strategy with a mix of renewable energy systems. The project is part of the NRP 70 «Energy Turnaround» and includes ten different project partners. The focus is on assessing public judgments of the landscape More
Die mangelnde Akzeptanz von räumlichen Planungen resultiert oft aus der unzureichenden Integration relevanter lokaler Akteure, ihrer Bedürfnisse und Wünsche in Planungsprozesse. Durch die Weiterentwicklung der «Landwirtschaftlichen Planung» soll dieses Planungsinstrument des ländlichen Raumes insbesondere um einen Visionierungsprozess erweitert werden. Auf diese Weise werden Planungen auf eine gemeinsam getragene More
Die vierte industrielle Revolution, das heisst die Automatisierung der Arbeitswelt, rollt über uns hinweg. Auch und gerade im Transportsektor sind die Änderungen spürbar und noch lange nicht abgeschlossen. Schon heute sind neue Akteure im Markt, die mit Digitalisierung und Automatisierung traditionelle Strukturen unter Druck bringen – das vermutlich More
In: Transportation Research Part C: Emerging Technologies, Volume 72, November 2016. S.109-129, ISSN 0968-090X. More This paper proposes an efficient signal control algorithm under the co-existence of conventional vehicles, connected vehicles and automated vehicles. Trajectories of the automated vehicles are modified to reduce delay and stops. Simulations show that both More
In: Transportation Research Part C, Emerging Technologies 71. S.382-405. More This paper reviews and classifies the traffic optimisation schemes of current mainline railway into two groups: improve efficiency of traffic management by providing resolutions for traffic conflicts; or improve trains’ driving behaviour by providing driver assistance or introducing train More
In: Transportation Research Part C, Emerging Technologies 71. S.382-405. More This paper reviews and classifies the traffic optimisation schemes of current mainline railway into two groups: improve efficiency of traffic management by providing resolutions for traffic conflicts; or improve trains’ driving behaviour by providing driver assistance or introducing train More
Arbeitsberichte Verkehrs- und Raumplanung, 1177. Zürich: IVT, ETH Zürich. PDF More Autonomous vehicles are expected to offer higher comfort of traveling at lower prices whilst increasing road capacity. Using the Swiss national transport model, this research simulates the impact of autonomous vehicles on accessibility. The results show substantial impacts favoring urban sprawl More
Dissertation, IVT-Schriftenreihe Nr. 175. In an increasingly intertwined world, airports are the link between local ground and global air transport. Many have grown beyond that function and have become commercial, business and leisure centres, as well as ground transport interchanges. This research showed that not only airport operators More
ETR-Swiss Spezial. Hamburg: DVV Media Group. Mehr Die Sonderausgabe von ETR-Swiss vereint Artikel zu Entstehungsgeschichte, Planung, Bau, Bahntechnik und Betrieb der NEAT-Projekte und wagt einen Ausblick auf die Perspektiven, welche sie für Personen- und Güterverkehr schaffen.
Paper to be presented at the 23rd EIRASS conference on Recent Advances in Retailing and Service Strategies, Edinburgh, July 2016. More The paper aims at explaining the choice between online and in-store shopping, applying an integrated choice and latent variable modeling approach. An increased acceptance level of online shopping More
In: Journal of Advanced Transportation, 50 (4). S.406-420. PDF More An on-street parking maneuver often starts a temporary bottleneck, leading to additional delay endured by the following vehicles. If the maneuver occurs near a signalized intersection, the service rate of the intersection might be reduced. In this paper, a More
In: Transportation Research Part C: Emerging Technologies, 64. S.28-44. More The paper establishes the first real-time control algorithm for pre-signals. The algorithm combines multiple operation strategies at the intersection. It functions well with a wide range of input values and is robust to input errors. The real-time pre-signal minimizes person More
Forschungsprojekt im Rahmen der COST Action TU1103: Operation and safety of tramways in interaction with public space. IVT-Schriftenreihe Nr. 174. Mehr Die Studie fasst den Stand des Wissens zur Sicherheit von Schweizer Tramsystemen im Mischverkehr zusammen. Sie beschreibt relevante regulatorische Aspekte, analysiert die aktuelle Situation der Tramsicherheit in More
In: Accident Analysis & Prevention, 85. S.219-228. Mehr One of the challenges in traffic safety analyses is the heterogeneous nature of safety data. The study suggests that latent class clustered regression approach is suitable for reducing heterogeneity and revealing important hidden relationships in traffic safety analyses.
Paper to be presented at the 95th Annual Meeting of the Transportation Research Board, Washington, D.C., January 2016. Mehr If Autonomous Vehicles (AV) are used predominantly as shared vehicles, they promise a reduction of the required total fleet size. Using a simulation approach, this paper shows that – given certain More
Dissertation, IVT-Schriftenreihe Nr. 171. Mehr Die Dissertation entwickelt ausgehend von den fundamentalen Eigenschaften eines Eisenbahnsystems eine Methode für die allgemeingültige Beschreibung von Eisenbahnbetriebsprozessen. Dadurch ist es möglich, unabhängig von technischen Realisierungsformen und einem historisch gewachsenen Prozessverständnis, Regeln zu definieren, mit denen Zugfahrten sicher und zuverlässig durchgeführt werden können.
In: Transportation Research part B: Methodological. Mehr PDF The urban parking and traffic systems are essential components of the overall urban transportation structure. The interactions between them can be highly influential to their performance. Here, we propose a methodology to model macroscopically such interactions and evaluate their effects on More
Schlussbericht an SBB Lab, St. Gallen. Bern und Zürich: IVT, ETH Zürich und Ecoplan. Mehr Mit dieser Studie wurden zum ersten Mal für die Schweiz die Agglomerationseffekte (wider economic benefits) quantifiziert und räumlich analysiert. Eine Verbesserung der ÖV-Erreichbarkeit um 100 Prozent führt zu einer Produktivitätssteigerung von durchschnittlich 1 bis More
Ashgate, Surray (UK). Mehr Leisure travel is increasing in importance and is more complex and variable than work-related travel. Providing an overview of selected exemplary studies, this volume addresses the overlap between transport planning and methods of social network analysis; applied methods of social network analysis and related More
In: Transportmetrica B: Transport Dynamics. DOI 10.1080/21680566.2015.1025892 Mehr The paper evaluates the trade-offs between loop detector data and floating car data for the real-time estimation of origin–destination matrices in small networks. Results are used to evaluate the trade-offs between loop detector coverage and the penetration rate of floating car More
In: Transportation Research Record: Journal of the Transportation Research Board (accepted or in press). More This paper analyses traffic performance on an abstract grid network with different street configurations using the Network Exit Function (NEF) – an aggregate relationship between trip-completion rate and the number of vehicles circulating in a network.
Lausanne: EPFL Press, distributed by Routledge. More Sustainable development is a goal of planners and politicians and ever more prominent for urban areas where development agglomerates. The SustainCity consortium further developed the methodology and tools for integrated modelling and analysis of land use transport systems. The IVT implemented More
Dissertation, IVT-Schriftenreihe Nr. 167 PDF This dissertation report examines the various effects that international borders exert on local public transport systems in high density agglomerations with regard to demand, passenger expectations and framework conditions. Furthermore, it identifies related challenges and derives approaches and recommendations from the analysis.
In: Journal of Transport and Land Use. Mehr Transport and urban planners increasingly deploy shape grammars especially in simulations and procedural models. The paper sheds light on the terminology and bridges the gap to the natural language context. An approach is suggested for standardized shape grammars definitions and More
In: Accident Analysis & Prevention, 72. S.330–340. Mehr This study is based on a five-year national pedestrian safety dataset for Switzerland. It explores the application of a partial proportional odds (PPO) model to bridge the gap between conventional crash injury severity models. The study shows that PPO models More
In: Journal of Air Transport Management (online 9 September 2014) ISSN 0969-6997. Mehr Non-aeronautical activities at airports generate travellers that have different characteristics than air passengers or airport employees. The study investigated at the case of Zurich airport if this leads to increased public transport ridership, mode share, More
Publikationen des Instituts für Raum- und Landschaftsentwicklung (IRL) der ETH Zürich, Band 7. vdf Hochschulverlag. Mehr Der haushälterische Umgang mit dem Boden kann nur durch ein wirkungsvolles Siedlungsflächenmanagement umgesetzt werden. Was darunter zu verstehen ist und wie die Operationalisierung erfolgen kann, wird in diesem Buch nachgegangen. Basierend auf Ergebnissen More
The Peloponnese Peninsula offers countless attractions for all manner of tourists and travellers: landscapes of exceptional beauty, significant archaeological sites, historical sites and monuments, important cultural events and, especially, agricultural products of high quality. Early in its history, the railway was already a driving force for the economic More
In 2015, a comprehensive analysis of the public housing inventory in Switzerland was conducted and its potential for a denser internal structure estimated. Starting point was placing public housing apartment buildings in an international context. In 2016, the findings of the nation-wide overview were strengthened based on various More
A considerable part of the existing settlement area reserves of around 60% are located in the small and mid-sized communities of Switzerland. The research investigates whether the existing formal and informal planning instruments are suitable for high-quality development according to the minimum strategy of ‘Inward Development before New More
About every fourth building in Switzerland is outside of the official building zones. Based on changes in the agricultural structure, more and more of these buildings have lost their purpose, which poses the question of how to deal with this particular building inventory. The first question is how More
The Raum+ project was developed by the Chair of Spatial Development, ETH Zurich and after many years of further development and application in various cantons and regions of Switzerland (AI, BL, FR, GR, OW, SG, SH, SZ, TG, TI, UR, VS), it is now a fully developed and More
Transportation Research Part C, 46. S.121-131. Mehr Information from connected vehicles, such as the position and speed of individual vehicles, can be used to optimize traffic operations. An algorithm for two one-way-streets is proposed to gain insights about the value (in terms of delay savings) of using connected More
Paper presented at the World Symposium on Transport and Land Use Research (WSTLUR), Delft. June 2014. Mehr The urban morphology forms the backbone of our settlements. Its quantitative description allows to compare urban layouts and to uncover their potentials and limitations. In this paper we propose a set More
Forschungsauftrag VSS, 2007/306, Bundesamt für Strassen, Bern. PDF Die Forschungsarbeit hat Normierungsvorschläge zur Leistungsfähigkeit und Verkehrsqualität für die wichtigsten Anlagen des leichten Zweirad- und Fussgängerverkehrs erarbeitet. Sie stellt damit einen wichtigen Beitrag zur Entwicklung von verkehrsmittelübergreifenden Beurteilungsverfahren dar.
Transportation Research Record. PDF ECitation One of the major causes of bus delays in urban environments are signalized intersections. The use of a pre-signal has been proposed in order to utilize the full capacity of the main signal while still providing bus priority. The goal of this research More
Paper presented at the 14th Swiss Transport Research Conference, Ascona, May 2014. PDF Carsharing use has grown significantly in recent years, partly because of the expansion of the carsharing alternatives offered. From a modelling perspective, the main challenge is to develop suitable models for simulating different carsharing options. More
Paper presented at the 93rd Annual Meeting of the Transportation Research Board, Washington, D.C., January 2014. PDF Despite all mitigation efforts, climate change will impact transport systems. Based on evidence from previous literature, a new comprehensive classification of the transport system aspects affected by climate change is proposed. It’s More
Dissertation, IVT-Schriftenreihe Nr. 164. Mehr Die Spurgebundenheit der Bahnsysteme bewirkt eine komplexe Betriebsführung. Im Ereignisfall bietet die Prognose der Störungsdauer Nutzen für die Bahnproduktion. Darüber hinaus wurden Disposition, Intervention und Ereigniskommunikation analysiert. Die Kombination aus statistischen Analysen und prozessualen Aspekten ermöglicht die Einbindung konkreter Einzelinformationen in den Prognoseprozess.
Dissertation, IVT-Schriftenreihe Nr. 163. Mehr Im Rahmen der Dissertation wurde bewiesen, dass es methodisch möglich ist, bereits in einem frühen Projektstadium eine konsistente Kapazitätsbeurteilung und Effizienzabschätzung von Erweiterungsmassnahmen durchzuführen. Besondere Berücksichtigung fand dabei das Spannungsfeld zwischen den Anforderungen der Netznutzenden einerseits und einer optimalen Netzauslastung andererseits.
Schlussbericht an das BABS, Bern. Zürich: IVT, ETH Zürich. PDF Mittels eines agenten-basierten Simulationsmodells wurden die zu erwartenden Evakuationszeiten im Falle einer grossräumigen Evakuierung in Abhängigkeit verschiedener Faktoren wie Uhrzeit, Strassenverhältnissen und Grösse des evakuierten Gebietes bestimmt. Grundlage der Verhaltensmodellierung bildeten eine ausführliche Literaturrecherche, Experteninterviews sowie eine Befragung der Schweizer More
Transportation Research Record, 2359, 1-9. Mehr Parking duration is an important element in reflecting the parking demand, very often a patrol survey is conducted to obtain the data. This paper introduces an analytical model to understand the effects of survey cost and other inputs on survey accuracy in a More
PNAS. Mehr With the help of travel smart card data, we uncover daily face-to-face encounter mechanisms and structures by constructing a time-resolved in-vehicle social encounter network on public buses. We find individuals with repeated encounters are not grouped into small communities. A large, imperceptible, small-world contact network is More
Dissertation, Eidgenössische Technische Hochschule ETH Zürich, Nr. 21100. Mehr PDF Ziel dieser Arbeit ist es, einen Einblick in das Raumplanerische Entwerfen zu geben und für dessen problembezogene Dimension zu werben. Die Ergebnisse werden daher auch im Lichte der bestehenden Prozesse der aktionsorientierten Planung diskutiert, mit dem Ziel, das volle Potenzial More
Paper presented at the 13th Swiss Transport Research Conference, Ascona, April 2013. Mehr In this paper, we present a framework of a decision support system designed to analyse information provided by agent-based transport demand models, travel diary surveys and automatically collected data on transport infrastructure usage. The practical More