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1 to 50 of 66 results
  • On the consistency of freeway macroscopic merging models

     Torné Santos, Josep Maria; Soriguera Marti, Francesc; Geroliminis, Nikolas
    Transportation Research Board Annual Meeting
    Presentation's date: 2014-01-15
    Presentation of work at congresses

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    The Asymmetric Cell Transmission Model (ACTM) is a widely accepted macroscopic model for freeway traffic. Essentially, the model is based on the original Cell Transmission Model (CTM), with modified merge equations in order to make it suitable for ramp metering optimization. However, an unfeasible merging behavior is observed when uncontrolled merges are simulated if using a simplistic but common calibration. A simple methodology for calibrating the two parameters involved in the ACTM merge model is proposed in the present paper. The method ensures the physical consistency of the dynamics involved in queue processes in the proximity of a non-controlled merge junction. This should be an essential feature of any freeway traffic model.

  • Coordinated active traffic management freeway strategies using the capacity-lagged cell transmission model

     Torne Santos, Josep Maria; Soriguera Marti, Francesc; Geroliminis, Nikolas
    Transportation Research Board Annual Meeting
    Presentation's date: 2014-01-15
    Presentation of work at congresses

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    Dynamic speed limits (DSL) strategies are expected to delay onset of congestion thanks to its ability to improve traffic flow homogenization and its mainstream metering feature. A new coordinated strategy, i.e. ramp metering (RM) together with DSL, is proposed to reduce the capacity drop occurrence in the vicinity of an on-ramp. It is based in a simple formulation which captures the endogenous merge capacity. The effectiveness of the new control strategy is tested with a cell transmission model extension, which incorporates the ability to reproduce DSL strategies together with capacity drop phenomena. The simulation allows comparing different control/no-control scenarios considering a hypothetical freeway section containing an on-ramp. Results show amelioration in the performance indicators of the system, highlighting the equity friendly component of the coordinated freeway strategies.

  • Estimación del tiempo de viaje en autopista mediante fusion de datos

     Soriguera Marti, Francesc
    Carreteras (Madrid. 1982)
    Date of publication: 2013-04
    Journal article

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    El continuo desarrollo de nuevas tecnologías de monitorización del tráfico da lugar a una situación con múltiples fuentes de datos y múltiples algoritmos para la estimación de las variables de interés, entre ellas la información del tiempo de viaje. Este contexto con datos procedentes de distintas fuentes, todas ellas imprecisas en distintos grados, es el adecuado para la aplicación de las técnicas de fusión de datos. Su objetivo es obtener un valor fusionado más fiable y preciso que cualquiera de las estimaciones individuales por si solas. Este artículo presenta una metodología simple de fusión de datos para la estimación del tiempo de viaje en autopista. El método propuesto utiliza datos procedentes de detectores de espira y de tiquetes de peaje, y sería fácilmente generalizable a otras fuentes de datos. Su aplicación piloto en la autopista AP-7 ha obtenido resultados prometedores.

  • Freeway travel time information in real time: new opportunity for spot speed methods

     Soriguera Marti, Francesc
    Transportation Research Board Annual Meeting
    Presentation's date: 2013-01-16
    Presentation of work at congresses

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    This paper shows that the precision of a freeway travel time information system, in a real-time context, is not related solely to the accuracy of the measurement. Immediacy in reporting the information and forecasting capabilities play a role. Therefore, focusing only on the accuracy of the travel time measurement is a myopic approach, which can lead to counterintuitive results. Specifically, it is claimed that using travel times estimated with the traditional spot speed Midpoint algorithm, the performance of the real-time information system is better than by using much more accurate directly measured travel times. Guidelines for an adequate configuration of 9 the common parameters of the system are provided. These are addressed by taking into account an easy and practical implementation. They have been proven to work well in an empirical application on a Spanish Freeway.

  • Value of freeway travel time information

     Soriguera Marti, Francesc
    Transportation Research Board Annual Meeting
    Presentation's date: 2013-01-16
    Presentation of work at congresses

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    This paper analyzes the value of highway travel time information systems. This is achieved by using notions of expected utility theory to develop a departure time selection and route choice model. The model assumes that every driver has a level of accepted lateness for his trip and some perceived knowledge of the travel times on the route. Only these two inputs support his decisions. The decision making process does not require the consideration of a complex cost function and does not involve any optimization. The results of the model are used to compute the unreliability costs of the trip (i.e. scheduling costs and stress) and to obtain the benefits of real time information systems. Results show that travel time information only has a significant value when there is an important scheduled activity at destination (e.g. morning commute trips), in case of total uncertainty about the conditions of the trip (e.g. sporadic trips), or when more than one route is possible. Systems with very high accuracy are not in better terms. The paper also highlights the difference between the actual value that information provides to the drivers and the value they perceive, much smaller. This misperception suggests limited willingness to pay for travel time information.

  • Freeway travel-time information: design and real-time performance using spot-speed methods

     Soriguera Marti, Francesc; Robuste Anton, Francesc
    IEEE transactions on intelligent transportation systems
    Date of publication: 2013-06
    Journal article

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    This paper shows that the precision of a freeway travel-time information system, in a real-time context, is not related solely to the accuracy of the measurement. Immediacy in reporting the information and forecasting capabilities play a role. Therefore, focusing only on the accuracy of the travel-time measurement is a myopic approach, which can lead to counterintuitive results. Specifically, it is claimed that, using travel times estimated with the traditional spot-speed midpoint algorithm, the performance of the real-time information system when evolving traffic conditions prevail is better than using much more accurate directly measured travel times (MTTs). Guidelines for an adequate configuration of the common parameters of the system are provided. In addition, real-time context enhancements for travel-time estimation methods based on punctual speed measurements are proposed. These are addressed by taking into account an easy and practical implementation. They have been proven to work well in an empirical application on a Spanish freeway.

  • Modeling of taxi cab fleets in urban environment

     Salanova Grau, Josep Maria
    Defense's date: 2013-12-19
    Universitat Politècnica de Catalunya
    Theses

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    Els taxis són un mode de transport necessari per satisfer les necessitats de la població relacionades amb la mobilitat. L'impacte del mercat del taxi a la vida quotidiana és molt important, tant des del punt de vista econòmic (per exemple, els salaris dels taxistes) com social (per exemple, la congestió o la satisfacció de la demanda de desplaçaments). S¿han desenvolupat diversos models amb l'objectiu de quantificar els impactes i avaluar el rendiment del sector del taxi, inicialment des d'un punt de vista agregat i econòmic i, recentment, des d'un punt de vista operacional i més realista.L'objectiu principal d'aquesta tesi és el de desenvolupar models d¿estudi dels serveis oferts pel sector del taxi, fent èmfasi en el dimensionament de la flota òptima de taxis necessària per satisfer la demanda oferint un temps d¿espera raonable per als clients i assegurant al mateix temps una mínima rendibilitat als taxistes. Per a aquest propòsit, s'han desenvolupat dos models, un econòmic analític i un de simulació basada en agents. El primer model és capaç d'analitzar el mercat dels taxis des d'un punt de vista macroscòpic mitjançant l¿ús de valors mitjans representatius de tota la regió per obtenir el nombre òptim de taxis que satisfarà les necessitats de la població amb uns costos unitaris mínims, obtenint també el temps d'espera relacionat a aquesta flota òptima. El segon model és capaç de reproduir les característiques operacionals del sector del taxi en detall, simulant viatges en taxi a la xarxa viaria i enregistrant tots els indicadors de rendiment relacionats amb l¿eficiència operacional del sector del taxi. S'utilitzen dades reals de la ciutat de Barcelona per al calibratge dels models proposats i per a l'obtenció dels resultats de l'aplicació d¿ambdós models al sector del taxi de la ciutat de Barcelona.Els dos models desenvolupats es complementen perfectament, la seva combinació pot ser una eina valuosa per als responsables de la regulació del sector del taxi, ja que els permetrà analitzar els serveis del taxi i prendre les decisions correctes per millorar els servies oferts. Al mateix temps, els problemes operacionals poden ser analitzats en detall durant la fase de disseny de la política de taxis, ja que tots els actors estàn inclosos dins dels models i es tenen en compte alhora d'optimitzar el rendiment del sector del taxi. Els models s'utilitzen per analitzar l'impacte de les polítiques tarifaries en el mercat del taxi. També es te en compte la política de torns, per la qual s¿ha plantejat un problema d'optimització que fa coincidir el nombre òptim de vehicles obtingut dels models amb el real proporcionat per la política de torns, que és la més comú a tot el món .Es presenten rangs òptims de demanda per als tres modes operatius. Els sistemes de taxi basats en centraletes telefòniques es mostren més eficients per baixes concentracions de demanda, mentre que els sistemes de taxi al carrer presenten menors costos unitaris per altes concentracions de demanda. Els models agregats tendeixen a subestimar els costos, tant dels clients com del sistema entre el 15% i el 30% si la distribució de la demanda és uniforme. Per demandes no uniformes, els models agregats sobreestimen els costos entre un 20% i 300%, depenent del valor de GINI de la distribució de la demanda.

  • Active Traffic Management In Metropolitan Freeways: Modeling And Assessing Dynamic Speed Limit Strategies

     Torne Santos, Josep Maria
    Defense's date: 2013-12-20
    Universitat Politècnica de Catalunya
    Theses

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    La congestió del trànsit és la principal font d¿ineficiències en les autopistes metropolitanes (pèrdua de productivitat, d'energia o emissió de gasos contaminants, entre d'altres externalitats). Les estratègies de gestió activa del trànsit (ATM, en anglès) s¿utilitzen amb la finalitat d¿afrontar el problema i alleujar els seus efectes, mitjançant la gestió de la congestió, tant recurrent com no recurrent, amb una combinació d¿estratègies operacionals en temps real i de predicció.La gestió dinàmica del límit de velocitat (DSL, en anglès) és una eina d¿ATM que pretén aportar certs beneficis al trànsit de les autopistes, com l¿increment de la capacitat i/o l¿homogeneïtzació de les velocitats dels vehicles. Actualment, està implantat en moltes autopistes metropolitanes d¿arreu del món. Aquesta tesi està dedicada a avaluar aquests avantatges conceptuals amb dades empíriques i models contrastats de flux de trànsit.Les dades empíriques s¿obtenen de l¿autopista C-32 a Barcelona, la primera instal·lació de DSL a Espanya. L¿anàlisi detallat d'aquestes dades permet la caracterització dels efectes de l¿estratègia de DSL en el comportament del trànsit. S'ha trobat que, sota les condicions adequades, el DSL pot augmentar la capacitat de les autopistes a causa d'una reducció en la dispersió de les velocitats entre carrils. Aquesta contribució permet definir noves polítiques d¿ATM.Es proposa una estratègia coordinada per a la gestió del trànsit que té en compte tant les estratègies de control d¿accessos com de DSL, per tal de reduir el fenomen de la pèrdua de capacitat en les proximitats d¿una rampa d¿accés en autopista. L¿eficàcia d¿aquesta estratègia de gestió s¿avalua amb simulacions, mitjançant una extensió del model tradicional de transmissió per cel·les, que incorpora la capacitat de reproduir estratègies DSL, juntament amb la pèrdua de capacitat. Els resultats mostren una millora en els indicadors de rendiment del sistema, destacant els beneficis en termes d¿equitat que l¿estratègia coordinada aporta .Finalment, els resultats d¿un anàlisi cost-benefici de l¿estratègia DSL, considerant els principals factors externs, suggereixen que la rendibilitat social d'aquesta estratègia en autopistes metropolitanes, quan s'aplica de forma aïllada, és limitada. Les potencials sinergies derivades de l¿aplicació coordinada d¿un conjunt d¿estratègies ATM, defineixen un interessant repte per a futures investigacions.

  • Assessment of dynamic speed limit management on metropolitan freeways

     Soriguera Marti, Francesc; Torné Santos, Josep Maria; Rosas Diaz, Dulce Maria
    Journal of intelligent transportation systems: technology, planning, and operations
    Date of publication: 2013-01
    Journal article

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  • Active traffic management strategies: state of the art review

     Torné Santos, Josep Maria; Soriguera Marti, Francesc
    Congreso de Ingeniería del Transporte
    Presentation's date: 2012-06-20
    Presentation of work at congresses

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  • Modifications of asymmetric cell transmission model for modeling variable speed limit strategies

     Torné Santos, Josep Maria; Soriguera Marti, Francesc; Geroliminis, Nikolas
    European Symposium on Quantitative Methods in Transportation Systems
    Presentation's date: 2012-09-07
    Presentation of work at congresses

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  • Deriving traffic demand patterns from historical data

     Soriguera Marti, Francesc; Rosas Diaz, Dulce Maria
    Transportation Research Board Annual Meeting
    Presentation's date: 2012
    Presentation of work at congresses

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    The development and decreased cost of technology and communications have brought about a huge increase in the availability of traffic data. With every passing day, traffic management centers must deal with an increased amount of detailed data. Once the real time use of these data is complete, they must be stored for long periods of time. In this long term context, the vast amount of raw data is meaningless, which is a clear example of data asphyxiation. Traffic management centers must aggregate and synthesize the data in order to extract the maximum knowledge from them. Pattern classification is a way to deal with this issue. Traditionally, traffic demand patterns have been easily constructed using ad hoc methods, where “experience” is their main attribute. These procedures lack the required rigor to support current needs in terms of planning and operational management. The present paper proposes a method to systematically derive traffic demand patterns from historical data. The method is based on the cluster analysis technique, and allows the inclusion of preexistent knowledge, which eases the interpretation and practical use of the results. The proposed pattern classification procedure is applied to five years of hourly traffic volumes on a Spanish highway. The obtained results prove the validity and utility of the method to accurately summarize the seasonal and daily characteristics of traffic demand.

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    Valor de la información del tiempo de viaje por carretera  Open access  awarded activity

     Soriguera Marti, Francesc; Jodar Plaza, Víctor
    Congreso de Ingeniería del Transporte
    Presentation's date: 2012-06-20
    Presentation of work at congresses

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    De un tiempo a esta parte, un objetivo común de muchos gestores de tráfico alrededor de todo el mundo es proporcionar información en tiempo real del tiempo de viaje previsto en las infraestructuras que gestionan. A estos efectos se han invertido muchos recursos en la monitorización intensiva que se requiere para obtener este tipo de información, por ejemplo en las redes metropolitanas de autopistas. Las tecnologías utilizadas y las precisiones conseguidas pueden ser múltiples y variadas, aunque todas ellas afectadas por la incertidumbre intrínseca al objetivo perseguido: una previsión a corto término. Estos esfuerzos responden al hecho que el tiempo de viaje previsto es la información de tráfico que más valora el usuario. No obstante, se desconoce como cuantificar el valor de esta información y como varía en función de la precisión proporcionada. Este conocimiento permitiría realizar análisis coste–beneficio que ayudarían a la toma de decisiones en relación a la tecnología a utilizar, la precisión necesaria, la selección de ámbitos rentables, o en analizar la disponibilidad al pago por esta información. El presente artículo pretende rellenar este vacío. Se propone una metodología que cuantifica el valor de la información del tiempo de viaje. Este valor será mayor cuanto mayor sea la reducción de la incertidumbre que provoca y cuanto mayor sea el coste de esta incertidumbre. Por lo tanto el valor de la información dependerá del usuario y su conocimiento previo de la infraestructura, de la fiabilidad de la propia infraestructura, del motivo del viaje, del momento en el que recibe la información, de las posibles alternativas de actuación disponibles y de la precisión de la información recibida. Se presenta un modelo probabilístico, basado en la teoría de la utilidad aleatoria, que partiendo de estas variables proporciona el valor de la información para un usuario concreto en una determinada infraestructura. Agregando estos valores para una determinada composición de conductores se puede obtener el valor global del sistema. En el artículo se presenta un ejemplo de aplicación de la metodología para el acceso norte por autopista a la ciudad de Barcelona.

    II Premio Joven Investigador, otorgado por el comité organizador del X Congreso de Ingeniería del Transporte (Granada, 2012)

  • Deriving traffic flow patterns from historical data

     Soriguera Marti, Francesc
    Journal of transportation engineering
    Date of publication: 2012-05-21
    Journal article

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  • Premio Joven Investigador CIT 2012

     Soriguera Marti, Francesc
    Award or recognition

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  • Evaluation of speed limit management on C-32 highway access to Barcelona

     Torné Santos, Josep Maria; Rosas, Dulce María; Soriguera Marti, Francesc
    Transportation Research Board Annual Meeting
    Presentation's date: 2011-01
    Presentation of work at congresses

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    In July 2007, the Autonomous Government of Catalonia passed a 73-measure plan to improve the air quality in the metropolitan region of Barcelona, Spain. This plan (which turned into law in January 2008) included 80 km/h speed limitations on major highways around the city (e.g., the C-32 highway). One year later, dynamic speed limits (DSL), maintaining the maximum speed limit of 80 km/h, became operational. The objective of the present paper is the evaluation of this policy, what requires a quantitative analysis in terms of congestion reduction, vehicles‟ emissions and traffic safety. As the comparison between different scenarios must be performed with homogeneous traffic demands (i.e., same productivity), comparisons from direct empirical measurements are not representative. Note that during the period of analysis, the huge economic recession arrived to Spain resulting in a clear reduction of mobility demands. CTMSIM macroscopic traffic simulator [1, 2] was applied instead, simulating different scenarios under the same demand. Data in order to construct the baseline demand scenario were collected from double loop detectors installed in each lane along 14.5km of the C32 highway, accessing Barcelona. A quantitative evaluation of the social profitability of this policy in terms of travel times, emissions and safety benefits is provided in the paper. In addition, some guidelines for the construction of homogenous demand scenarios suitable for comparisons, the characterization of fundamental diagrams, the macroscopic model of the highway based on the cell transmission model (CTM) [3, 4], and the definition and assessment of the different elements constituting the objective function in monetary units, are also described. It is concluded from the discussion, that the speed limit management on metropolitan highways accessing to large cities, cannot provide in case of isolated application significant benefits.

  • Estimation of traffic stream space-mean speed from time agregations of double loop detector data

     Soriguera Marti, Francesc; Robuste Anton, Francesc
    Transportation research. Part C, emerging technologies
    Date of publication: 2011
    Journal article

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    In one of the very first papers on traffic flow theory back in 1952, Wardrop presented the difference between the space mean speed (SMS) and the time mean speed (TMS) of a group of traveling vehicles, and derived a relationship suitable for estimating TMS, given SMS and the speed variance over SMS. As time goes by, traffic practitioners have tended towards computing TMS instead of SMS, mainly when using double loop detectors, and nowadays this is the usual practice in traffic management centers. Therefore, the useful relationship between TMS and SMS should go the other way around in relation to Wardrop’s. Recently, the complementary relationship, suitable for estimating SMS from TMS and the speed variance over TMS, has been proved. However this is not enough, as speed variance is usually not available. The present paper develops a probabilistic method to estimate SMS from TMS without the previous knowledge of speed variance and only using the usual time aggregations of double loop detector data. The main assumption of the method – the normality of vehicle speed distribution – is discussed and a formulation to obtain the expected error of the estimation is derived. The results obtained with test data from the AP-7 highway, near Barcelona in Spain, show that the developed methodology is able to estimate SMS with an average relative error as low as 0.5%.

  • Requiem for freeway travel time estimation methods based on blind speed interpolations between point measurements

     Soriguera Marti, Francesc; Robuste Anton, Francesc
    IEEE transactions on intelligent transportation systems
    Date of publication: 2011-03
    Journal article

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  • Evaluación de la gestión variable del límite de velocidad en la autopista metropolitana C-32 en el acceso a Barcelona

     Torné Santos, Josep Maria; Rosas, Dulce María; Soriguera Marti, Francesc
    Congreso de Ingeniería del Transporte
    Presentation's date: 2010-07
    Presentation of work at congresses

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  • Insights on freeway travel time estimation methods based on punctual speed measurements

     Soriguera Marti, Francesc; Robuste Anton, Francesc
    Transportation Research Board Annual Meeting
    Presentation's date: 2010-01
    Presentation of work at congresses

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  • Traffic stream space-mean speed estimation from common double loop detector aggregated data

     Soriguera Marti, Francesc; Robuste Anton, Francesc
    Transportation Research Board Annual Meeting
    Presentation's date: 2010-01
    Presentation of work at congresses

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  • Gestión variable del límite de velocidad en autopistas metropolitanas: un análisis conceptual

     Soriguera Marti, Francesc
    Congreso de Ingeniería del Transporte
    Presentation's date: 2010-07
    Presentation of work at congresses

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  • Com resoldre les congestions de trànsit a Catalunya?

     Soriguera Marti, Francesc; López, Àngel; Torday, Alexandre
    InfoTrànsit
    Date of publication: 2010-06
    Journal article

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  • Highway travel time estimation with data fusion  Open access  awarded activity

     Soriguera Marti, Francesc
    Defense's date: 2010-12-15
    Department of Transport and Highway Engineering, Universitat Politècnica de Catalunya
    Theses

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    La informació sobre el temps de viatge és l'indicador clau en el funcionament operatiu d’una autopista i un dels inputs més apreciats pels seus usuaris. Tot i això, no ha estat fins molt darrerament que els operadors d'autopistes han començat a analitzar el trànsit de la carretera amb l’objectiu de proporcionar informació acurada sobre el temps de viatge. També recentment, les administracions titulars de les autopistes han començat a demanar que es proporcioni tal informació com a mesura del servei d'accessibilitat proporcionat per la carretera, en termes de qualitat i fiabilitat. Durant el segle passat, els detectors d’espira magnètica jugaven un paper primordial en la monitorització del trànsit al proporcionar informació sobre el volum de trànsit i també sobre la velocitat i longitud mitjanes dels vehicles, encara que generalment amb menys precisió en aquests dos darrers casos. En les darreres dècades han aparegut noves tecnologies de control de trànsit (càmeres intel•ligents, seguiment mitjançant GPS o telèfon mòbil, identificació de dispositius bluetooth, nous detectors MeMS, etc.) que permeten millorar considerablement la recollida de dades sobre el temps de viatge. Algunes d’aquestes tecnologies són barates (bluetooth), d’altres no ho són (càmeres); però en qualsevol cas la major part de la xarxa d’autopistes encara està controlada per detectors d’espira magnètica. Té sentit doncs, emprar la seva informació bàsica i enriquir-la, quan calgui, amb noves fonts de dades. Aquesta tesi presenta una metodologia nova i simple per a la previsió a curt termini del temps de viatge en autopistes de peatge basada en la fusió de dades provinents de detectors d’espira magnètica i de tiquets de peatge. La metodologia és genèrica i no és tecnològicament captiva: es podria generalitzar fàcilment a uns altres tipus de dades. L'anàlisi Bayesià permet obtenir dades fusionades que són més fiables que les dades d’entrada originals, superant alguns problemes habituals en l’estimació del temps de viatge a partir de fonts úniques d’informació. La metodologia desenvolupada aporta valor afegit a les dades actuals (detectors d’espira i tiquets de peatge) en autopistes de peatge tancat, i aprofita al màxim (en termes d'estimació del temps de viatge) les dades disponibles, sense caure en la demanda recurrent i costosa d’una major necessitat de dades. L'aplicació dels algoritmes a l’autopista de peatge AP-7 als voltants de Barcelona demostra empíricament la tesi: és possible desenvolupar un sistema acurat d'informació de temps de viatge, en temps real, en autopistes de peatge tancat amb la monitorització existent. Per això, d'ara en endavant els operadors d'autopistes podran oferir aquest valor afegit als seus clients sense gairebé cap inversió extra.

    Travel time information is the key indicator of highway management performance and one of the most appreciated inputs for highway users. Despite this relevance, the interest of highway operators in providing approximate travel time information is quite recent. Besides, highway administrations have also recently begun to request such information as a means to measure the accessibility service provided by the road, in terms of quality and reliability. In the last century, magnetic loop detectors played a role in providing traffic volume information and also, with less accuracy, information on average speed and vehicle length. New traffic monitoring technologies (intelligent cameras, GPS or cell phone tracking, Bluetooth identification, new MeMS detectors, etc.) have appeared in recent decades which permit considerable improvement in travel time data gathering. Some of the new technologies are cheap (Bluetooth), others are not (cameras); but in any case most of the main highways are still monitored by magnetic loop detectors. It makes sense to use their basic information and enrich it, when needed, with new data sources. This thesis presents a new and simple approach for the short term prediction of toll highway travel times based on the fusion of inductive loop detector and toll ticket data. The methodology is generic and it is not technologically captive: it could be easily generalized to other equivalent types of data. Bayesian analysis makes it possible to obtain fused estimates that are more reliable than the original inputs, overcoming some drawbacks of travel time estimations based on unique data sources. The developed methodology adds value and obtains the maximum (in terms of travel time estimation) of the available data, without falling in the recurrent and costly request of additional data needs. The application of the algorithms to empirical testing in AP-7 toll highway in Barcelona proves our thesis that it is possible to develop an accurate real-time travel time information system on closed toll highways with the existing surveillance equipment. Therefore, from now on highway operators can give this added value to their customers at almost no extra investment. Finally, research extensions are suggested, and some of the proposed lines are currently under development.

  • Travel Time Measurement in Closed Toll Highways

     Soriguera Marti, Francesc; Rosas, Dulce María; Robuste Anton, Francesc
    Transportation research. Part B, methodological
    Date of publication: 2010
    Journal article

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  • Highway travel time accurate measurement and short-term prediction using multiple data sources

     Robuste Anton, Francesc; Soriguera Marti, Francesc
    Transportmetrica
    Date of publication: 2009
    Journal article

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  • Construcción de patrones de tiempo de viaje por carretera

     Rosas, D; Soriguera Marti, Francesc; Molins Lleonart, Eduard
    VIII Congreso de Ingeniería del Transporte
    Presentation's date: 2008-07
    Presentation of work at congresses

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  • Estimación indirecta del tiempo de viaje

     Thorson Bofarull, Leif; Soriguera Marti, Francesc
    Date: 2008-12
    Report

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  • Patrones de intensidades de tráfico

     Thorson Bofarull, Leif; Soriguera Marti, Francesc
    Date: 2008-12
    Report

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  • Ptemps2: Sistemes de previsió del temps de viatge a Catalunya. Fase 2

     Thorson Bofarull, Leif; Soriguera Marti, Francesc
    Date: 2008-12
    Report

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  • Cálculo del tiempo de viaje en una autopista con un sistema de peaje cerrado

     Thorson Bofarull, Leif; Soriguera Marti, Francesc
    Date: 2008-12
    Report

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  • Metodología de elaboración de patrones de intensidad de tráfico

     Soriguera Marti, Francesc; Molins Lleonart, Eduard; Alberich, E
    VIII Congreso de Ingeniería del Transporte
    Presentation's date: 2008-07
    Presentation of work at congresses

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  • Highway Travel Time Data Fusion

     Soriguera Marti, Francesc; Thorson Bofarull, Leif; Robuste Anton, Francesc
    Transportation Research Board 87th Annual Meeting
    Presentation's date: 2008-01
    Presentation of work at congresses

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  • Fusing Road Travel Time Data

     Soriguera Marti, Francesc; Robuste Anton, Francesc
    International Workshop on Traffic Data Collection and ITS Standardization
    Presentation's date: 2008-08-08
    Presentation of work at congresses

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  • Metodología de elaboración de planes de movilidad en polígonos industriales o centros de trabajo compactos

     Cuscurita, D; Soriguera Marti, Francesc; Estrada Romeu, Miguel Angel; Thorson Bofarull, Leif
    VIII Congreso de Ingeniería del Transporte
    Presentation's date: 2008-07
    Presentation of work at congresses

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  • Optimization of the internal transport cycle in a marine container terminal managed by straddle carriers

     Soriguera Marti, Francesc; Robuste Anton, Francesc
    Transportation research record
    Date of publication: 2007-12
    Journal article

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  • Travel Time Measurement Using Toll Infraestructure

     Soriguera Marti, Francesc; Thorson Bofarull, Leif; Robuste Anton, Francesc
    Transportation research record
    Date of publication: 2007-12
    Journal article

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  • Guia per a l'elaboració de plans de mobilitat als polígons industrials

     Robuste Anton, Francesc; Thorson Bofarull, Leif; Estrada Romeu, Miguel Angel; Soriguera Marti, Francesc; Cuscurita, D
    Date of publication: 2007-10
    Book

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  • Optimización y estudio de la capacidad de terminales portuarias mediante modelos de simulación de la explotación. Determinación de los niveles de servicio.

     Camarero ., Alberto; Sauri Marchan, Sergi; Soriguera Marti, Francesc
    Participation in a competitive project

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  • Travel Time Measurement Using Toll Infrastructure

     Soriguera Marti, Francesc
    Transportation Research Board
    Presentation's date: 2007-01-22
    Presentation of work at congresses

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  • Optimization of the internal transport cycle in a marine container terminal managed by straddle carriers

     Soriguera Marti, Francesc
    Transportation Research Board
    Presentation's date: 2007-01-22
    Presentation of work at congresses

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  • Highway Travel Time Estimation from Multiple Data Sources

     Soriguera Marti, Francesc; Abeijón, D; Rosas, D; Thorson Bofarull, Leif; Robuste Anton, Francesc
    World Conference on Transport Research
    Presentation's date: 2007-06
    Presentation of work at congresses

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  • Handling Equipment Optimization in Container Terminal of Port of Barcelona. Spain

     Soriguera Marti, Francesc; Robuste Anton, Francesc; Juanola, R; Lopez Pita, Andres
    Transportation research record
    Date of publication: 2006-01
    Journal article

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  • A simulation model for straddle carrier operational assessment in a marine container terminal

     Soriguera Marti, Francesc; Robuste Anton, Francesc
    Journal of maritime research
    Date of publication: 2006-08
    Journal article

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  • Handling Equipment Optimization in Container Terminal of Port of Barcelona. Spain

     Soriguera Marti, Francesc; Robuste Anton, Francesc; Juanola Subirana, Ramon; Lopez Pita, Andres
    85th Annual Meeting. Transportation Research Board
    Presentation of work at congresses

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