Department / Institute: Istituto per la pianificazione del traffico e per sistemi di trasporto (IVT)
Estimations of the Potential and the Impact of Rail Freight in Urban Areas
The dissertation examines whether rail freight systems can be designed to allow for the integration into urban supply chains. It concludes that railway has the potential to complement the urban freight system with an alternative transport system. The challenge for planners will be to provide the freight system Continua
Using Macroscopic Fundamental Diagrams to Estimate Traffic Heterogeneity
The macroscopic fundamental diagram provides insights on traffic flow at a macroscopic level. Given its elegance, it has become a popular tool to analyse various traffic-related problems. We show that the MFD can also be used to estimate the level of heterogeneity in a network, which allows city planners the Continua
Connecting Large Scale Transport Models and Mobility Trace Data
The proliferation of GPS technology and high speed mobile networks presents exciting opportunities for new insights into travel behaviour. With funding from the SNSF NFP75 on Big Data, a European research team headed by the Institute for Transport Planning and Systems is exploring new avenues for the integration Continua
Experimenting with city streets. The role of real-life experiments in understanding and changing urban mobility.
DADA: Dynamic Data Driven Approaches for Stochastic Delay Propagation Avoidance in Railways [Approcci dinamici basati sui dati per evitare la propagazione stocastica del ritardo nelle ferrovie]
Ridurre i ritardi ferroviari, la loro variabilità e propagazione, considerando l’esercizio come un processo stocastico e considerando esplicitamente i ritardi attuali e possibili in futuro. L’obiettivo di questo progetto è sviluppare un insieme di approcci algoritmici interconnessi che migliorino l’esercizio ferroviario attraverso il coordinamento del traffico in tempo Continua
Current Challenges for Logistics
You missed this NSL colloquium on 14 May? The film recording is now online! Logistics and mobility of goods is facing relevant substantial challenges, which are mostly invisible to users, differently from the challenges of personal mobility, such as delays, traffic jams, etc, which we witness daily. This Continua
NSL Veranstaltungsplakat Frühjahrssemester 2018
Innovationen im intermodalen Verkehr
Das Forschungsprojekt untersucht systematisch Innovationen, welche zur Verlagerung zusätzlicher Verkehre von der Strasse auf den Kombinierten Verkehr beitragen können, indem sie heutige Verlagerungshemmnisse reduzieren oder beseitigen. Allerdings reicht das Verlagerungspotenzial aller untersuchten Innovationen nicht aus, um die für den Aufbau neuer Relationen erforderlichen gebündelten Mengen zu erreichen. Forschungsprojekt Continua
Future of Urban Transportation: Flying Cars
Soon when crossing the street we might need to also look towards the sky! Researchers and practitioners alike are starting to invest resources into the investigation of potential impacts of flying car systems on the transportation. Will the flying car help reduce congestion on roads? Will it bring Continua
Management des öffentlichen Verkehrs für Grossveranstaltungen
Autonome Fahrzeuge und Nachhaltigkeit
Digitalization of Transport Systems | Transport Systems in the Digital Revolution
Neue Mobilitätsinitiative lanciert
Rail Transport Demand Management: Call for Abstracts
Uber und die Folgen in Chile
Elements of Access: Transport Planning for Engineers, Transport Engineering for Planners
Published by the Network Design Lab. Information Nothing in cities makes sense except in the light of accessibility. Transport cannot be understood without reference to the location of activities (land use), and vice versa. However, for a variety of historical reasons, transport and land use are quite divorced Continua
Strassenverkehrstechnik: Neue Ergebnisse
Platoon – Using Truck Platooning Strategies to Improve Real Time Highway Traffic Operations
I convogli di camion sono considerati da molti studi un potenziale approccio per ridurre alcuni degli effetti negativi causati dal trasporto di merci sulle autostrade. Un convoglio di camion viene formato riducendo lo spazio tra i camion e regolandone al contempo la velocità. Da un lato, il platooning Continua
SignBus – Using Additional Signals to Provide Priority to Buses at Signalized Intersections
Negli ambienti urbani, dove gli autobus e le automobili operano in modo misto, agli incroci semaforizzati i ritardi degli autobus possono essere esacerbati dall’interazione con le automobili. Questa ricerca intende studiare l’utilizzo di semafori aggiuntivi per dare priorità agli autobus agli incroci semaforizzati, minimizzando gli effetti negativi per Continua
SPEED – Rethinking speed limits in urban networks
Negli ultimi decenni, le città di tutto il mondo hanno iniziato a ridurre i limiti di velocità sia nelle aree residenziali, che nel centro. In Svizzera, per esempio, in oltre 700 quartieri e comuni sono presenti strade e zone con limite di 30 km/h e alcune iniziative mirano Continua
DIPLOMAT – DesIgn, oPtimization and controL Of urban MultimodAl sysTems
Per comprendere la fisica della mobilità urbana occorre analizzare le dinamiche del traffico di reti urbane multimodali in svariati scenari, incluse varie proprietà delle reti. A tal fine, basandosi sul concetto del diagramma macroscopico fondamentale tridimensionale bimodale (3D-MFD), è possibile utilizzare un modello aggregato per sistemi multimodali per Continua
ConAuto – Traffic control in a connected and automated vehicle environment
Lo sviluppo dei veicoli connessi e automatizzati fornisce più flessibilità nel monitoraggio e nel controllo dei sistemi di traffico. Dotati di sistemi di comunicazione e numerosi sensori, i veicoli connessi e automatizzati possono comunicare con l’infrastruttura per trasmettere informazioni in tempo reale, come posizione, velocità ecc. Inoltre il Continua
Checnet – Kopplung von anthropogenen und ökologischen Netzwerken für eine nachhaltige Landschafts- und Verkehrsplanung
Anthropogene Netzwerke, bestehend aus Siedlungen und Strassen, sind oft eine Bedrohung für ökologische Netzwerke. Um dafür zu sorgen, dass die Siedlungsentwickelung und die Zunahme des Verkehrs möglichst wenig negative Einflüsse auf die Biodiversität haben, sollen die Bedürfnisse zwischen anthropogenen und ökologischen Netzwerken untersucht und daraus Empfehlungen für die Continua
Impacts of urban parking system on cruising traffic and policy development: The case of Zurich downtown area, Switzerland
In: Transportation Cruising-for-parking is a common phenomenon in urban areas worldwide. Properly understanding and mitigating cruising can reduce travel times, alleviate traffic congestion, and improve the local environment. In this paper, we present a case study of the city of Zurich, using a macroscopic model to analyze the current Continua
A train rescheduling model integrating speed management for disruption management of high-speed traffic under a quasi-moving block system
In: Transportation Research Part B, Vol. 104, 638-666. Doi: 10.1016/j.trb.2017.05.008 Reducing delays in high speed railways requires searching for efficient traffic management actions (dynamic speed updates, changing train sequence) with feasible speeds and headways, under the given signaling/safety system. We use an alternative graph model in a commercial MILP Continua
Spatial modelling of traffic volumes and mean speed values
Paper presented at the 6th Symposium of the European Association for Research in Transportation (hEART 2017), Haifa, September 2017. In the present paper a modeling approach to address the issue of mean speed prediction on a large scale network is presented. Methodologically, we exploit the family of spatial Continua
Analysis of one-way and two-way street configurations on urban grid networks
In: Transportmetrica B: Transport Dynamics. S.1-21. Mehr This paper studies traffic behaviour on one-way, two-way and two-way streets with prohibited left turns using three different methods; analytical formulations, static traffic assignment and microsimulation. While two-way networks result in shorter routes, one-way networks increase intersection throughput. Two-way networks without left Continua
Fleet control algorithms for automated mobility: A simulation assessment for Zurich
Arbeitsberichte Verkehrs- und Raumplanung, 1270. Zurich: IVT, ETH Zurich. Mehr For the city of Zurich a fleet of autonomous taxis is simulated and controlled by different dispatching and rebalancing algorithms. The operation scheme with rebalancing is able to minimize waiting times of the service. Although a considerable amount of empty Continua
«Switzerland is like a paradise for a transport enthusiast.»
Prof. Dr. Francesco Corman is continuing the research direction in transport system at the post left vacant by Prof. Dr. Ulrich Weidmann, who is now Vice President of Human Resources and Infrastructure of the ETH Zurich. The Italian born travel aficionado will direct research towards improving transport systems operations based Continua
Big Data in Railway Operation: an Opportunity for Enhancing Energy Efficiency
The increasing competitiveness amongst transport modes has recently lead rail operators to start collecting microscopic data on energy consumptions. Main aim is to analyze and optimize energy efficiency during operation. It is an incredible opportunity for researchers to access to a huge amount of data for the development Continua
NSL Veranstaltungsplakat Herbstsemester 2017
Neuer Assistenzprofessor für Transportsysteme
Effects of low speed limits on freeway traffic flow
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 Continua
Autonomous vehicles: Pedestrian heaven or pedestrian hell?
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, Continua
Cost-based analysis of autonomous mobility services
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 Continua
Autonome Fahrzeuge auf der Überholspur?
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 Continua
Isolated intersection control for various levels of vehicle technology: Conventional, connected, and automated vehicles
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 Continua
CODE: ATHENS! Railway and City Development in Athens
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 Continua
A new rail optimisation model by integration of traffic management and train automation
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 Continua
Impact of autonomous vehicles on the accessibility in Switzerland
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 Continua
Impacts of non-aeronautical development at airports on public transport
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 Continua
NEAT – AlpTransit Lötschberg und Gotthard
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.
Exploring the choice between in-store and online shopping
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 Continua
The effects of on-street parking on the service rate of nearby intersections
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 Continua
Adaptive control algorithm to provide bus priority with a pre-signal
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 Continua
Stand des Wissens zu Schweizer Tramsystemen im Mischverkehr
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 Continua
Exploring the application of latent class cluster analysis for investigating pedestrian crash injury severities in Switzerland
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.
Required autonomous vehicle fleet sizes to serve different levels of demand
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 Continua
Generische Beschreibung von Eisenbahnbetriebsprozessen
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.