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Publications (10 of 39) Show all publications
Lorenzo Varela, J. M., Susilo, Y. & Jonsson, R. D. (2018). User attitudes towards a corporate Mobility as a Service.
Open this publication in new window or tab >>User attitudes towards a corporate Mobility as a Service
2018 (English)Manuscript (preprint) (Other academic)
Abstract [en]

Mobility as a service (MaaS) envisages enabling a co-operative and interconnected single transport market which provides users with hassle free mobility. Among MaaS postulated benefits, MaaS enthusiasts claim that MaaS solutions could persuade people to give up their car. Conversely, there is a fear that MaaS could in fact induce less sustainable travel, by means of inducing extra demand, and even attract current public transport users towards taxi and car-pool alternatives.

 

In this study we investigate user attitudes and expectations towards a corporate MaaS solution, through a latent class and latent variable model. Results support that there is a trend from car ownership to usership. We also find no evidence that MaaS solutions could produce a shift from public transport users to other less space-efficient shared-mobility solutions such as taxis or car-pool alternatives under our experiment conditions. In connection with user’s preference to share a car journey with strangers, we find the existence of two opposite trends. This finding suggests that there might be appetite for both types of solutions, where users could choose between private or shared journeys by car. Moreover, we find that normative beliefs impact user mobility styles, and that the need and feeling for flexibility is found to be one of the key factors for users to embrace a MaaS solution.

Keywords
Mobility as a Service, MaaS, Travel behaviour, Attitudes, Norms, Latent Class and Latent Variable Model (LCLVM).
National Category
Transport Systems and Logistics Economics
Identifiers
urn:nbn:se:kth:diva-240357 (URN)
Funder
Integrated Transport Research Lab (ITRL)VINNOVA, 2017-01976
Note

QC 20181218

Available from: 2018-12-17 Created: 2018-12-17 Last updated: 2018-12-18Bibliographically approved
Lorenzo Varela, J. M., Susilo, Y. & Jonsson, R. D. (2018). User attitudes towards a Mobility as a Service solution: Understanding differences between latent modality styles. In: : . Paper presented at Nationell konferens I transportforskning 2018.
Open this publication in new window or tab >>User attitudes towards a Mobility as a Service solution: Understanding differences between latent modality styles
2018 (English)Conference paper, Oral presentation only (Refereed)
National Category
Transport Systems and Logistics
Identifiers
urn:nbn:se:kth:diva-249167 (URN)
Conference
Nationell konferens I transportforskning 2018
Funder
Integrated Transport Research Lab (ITRL)
Note

QC 20190514

Available from: 2019-04-10 Created: 2019-04-10 Last updated: 2019-05-20Bibliographically approved
Adolphson, M., Jonsson, D. & Westin, J. (2017). Regionala Systemanalyser. Stockholm: KTH Royal Institute of Technology
Open this publication in new window or tab >>Regionala Systemanalyser
2017 (Swedish)Report (Other academic)
Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2017. p. 38
National Category
Other Social Sciences
Identifiers
urn:nbn:se:kth:diva-241075 (URN)
Funder
Swedish Transport Administration
Note

QC 20190109

Available from: 2019-01-08 Created: 2019-01-08 Last updated: 2019-01-09Bibliographically approved
Adolphson, M. & Jonsson, D. (2016). The theory practice gap in regional (transport) planning. In: RSA Annual Conference Graz 2016: . Paper presented at the Regional Studies Association Congress. Graz, Austria. 2016. Regional Studies Association
Open this publication in new window or tab >>The theory practice gap in regional (transport) planning
2016 (English)In: RSA Annual Conference Graz 2016, Regional Studies Association , 2016Conference paper, Published paper (Other academic)
Place, publisher, year, edition, pages
Regional Studies Association, 2016
National Category
Social Sciences
Identifiers
urn:nbn:se:kth:diva-202410 (URN)
Conference
the Regional Studies Association Congress. Graz, Austria. 2016
Note

QC 20170308

Available from: 2017-02-23 Created: 2017-02-23 Last updated: 2017-03-08Bibliographically approved
Wilfred, G., Bwire, H., Mattsson, L.-G. & Jonsson, D. (2015). Effects of residential land use on trip generation in urban areas: Comparison between estimated trip generation rates and planning practices in Dar es Salaam. World Transport Policy & Practice, 21(3), 35-53
Open this publication in new window or tab >>Effects of residential land use on trip generation in urban areas: Comparison between estimated trip generation rates and planning practices in Dar es Salaam
2015 (English)In: World Transport Policy & Practice, ISSN 1352-7614, E-ISSN 2040-2929, Vol. 21, no 3, p. 35-53Article in journal (Other academic) Published
Place, publisher, year, edition, pages
WORLD TRANSPORT POLICY AND PRACTICE, 2015
Keywords
Trip generation, transport planning, Dar es Salaam
National Category
Engineering and Technology
Research subject
Transport Science
Identifiers
urn:nbn:se:kth:diva-182355 (URN)
Projects
Agreement regarding funds entrusted to the Swedish instituiton as part of the agreement on research cooperation between Sweden and the University of Dar es Salaam (UDSM)
Funder
Sida - Swedish International Development Cooperation Agency, Contribution No 7500051503
Note

QC 20160226

Available from: 2016-02-18 Created: 2016-02-18 Last updated: 2017-11-30Bibliographically approved
Börjesson, M., Jonsson, R. D. & Lundberg, M. (2014). An ex-post CBA for the Stockholm Metro. Transportation Research Part A: Policy and Practice, 70, 135-148
Open this publication in new window or tab >>An ex-post CBA for the Stockholm Metro
2014 (English)In: Transportation Research Part A: Policy and Practice, ISSN 0965-8564, E-ISSN 1879-2375, Vol. 70, p. 135-148Article in journal (Refereed) Published
Abstract [en]

This paper performs an ex-post cost-benefit analysis (CBA) of the Metro system in Stockholm built in the 1950s. We find that the Metro was socially beneficial and that the largest benefit of the Metro is its capacity, making it possible for many people to travel to and from the city center. We also assess the significance of the wider economic impacts due to labor market distortions and the land-use effects in the case of the Stockholm Metro. The wider economic impacts increase the consumer surplus with 48%, and the yearly income in the county with 1.5%. A land-use model is used to simulate how the land-use has been influenced by the Metro over the years 1956-2006. This simulation indicates that the historical centralized planning of housing along transit corridors has developed the region into a more dispersed region than if the market forces had ruled. The simulation also suggests that the land-use impact from the investment itself is small, but that the land-use impact from the planning accompanying the decision to build the Metro has been substantial.

Keywords
Appraisal, Cost-benefit analysis, Ex-post evaluation, Land-use modeling, Metro, Wider economic impacts
National Category
Transport Systems and Logistics
Identifiers
urn:nbn:se:kth:diva-159131 (URN)10.1016/j.tra.2014.10.006 (DOI)000346894300012 ()2-s2.0-84909982950 (Scopus ID)
Note

QC 20150127

Available from: 2015-01-27 Created: 2015-01-22 Last updated: 2017-12-05Bibliographically approved
Almroth, A., Berglund, S., Engelsson, L., Canella, O., Flötteröd, G., Jonsson, D., . . . West, J. (2014). Further development of SAMPERS and modeling of urban congestion.
Open this publication in new window or tab >>Further development of SAMPERS and modeling of urban congestion
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2014 (English)Report (Other academic)
Abstract [en]

The need to more precisely represent the consequences of congestion mitigation policies in urban transport systems calls for replacement of the static equilibrium assignment by DTA in the integrated travel demand and traffic assignment models. Despite of the availability of DTA models and despite of the conceptual clarity of how such integration should take place, only few operational model systems have been developed for large-scale applications. We report on replacement of the static traffic assignment by two different DTAs in the four stage demand model for the Greater Stockholm region: the macroscopic analytic Visum DUE and microscopic simulation Transmodeler. First results show that even without systematic calibration the DTA is in reasonable agreement with observed traffic counts and travel times. The presented experiments did not reveal striking difference between using macroscopic and microscopic assignment package. However, given the clear trend to microscopic modeling and simulation on the travel demand side, the use of micro-simulation-based DTA package appears more natural from system integration perspective.

Publisher
p. 112
Series
Working papers in Transport Economics ; No 2014:10
National Category
Transport Systems and Logistics
Identifiers
urn:nbn:se:kth:diva-165954 (URN)
Note

QC 20150512

Available from: 2015-04-30 Created: 2015-04-30 Last updated: 2015-05-12Bibliographically approved
Berglund, S., Canella, O., Engelsson, L., Flötteröd, G., Jonsson, D., Kristoffersson, I. & West, J. (2014). Integration of dynamic traffic assignment with a travel demand model for the Stockholm region. In: : . Paper presented at DTA 2014 conference in Salerno, Italy.
Open this publication in new window or tab >>Integration of dynamic traffic assignment with a travel demand model for the Stockholm region
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2014 (English)Conference paper, Oral presentation only (Other academic)
Publisher
p. 112
National Category
Transport Systems and Logistics
Identifiers
urn:nbn:se:kth:diva-168292 (URN)
Conference
DTA 2014 conference in Salerno, Italy
Note

QC 20150601

Available from: 2015-06-01 Created: 2015-06-01 Last updated: 2016-08-25Bibliographically approved
Börjesson, M., Jonsson, R. D., Berglund, S. & Almstrom, P. (2014). Land-use impacts in transport appraisal. Research in Transportation Economics, 47, 82-91
Open this publication in new window or tab >>Land-use impacts in transport appraisal
2014 (English)In: Research in Transportation Economics, ISSN 0739-8859, E-ISSN 1875-7979, Vol. 47, p. 82-91Article in journal (Refereed) Published
Abstract [en]

Standard cost-benefit analysis (CBA) does not take into account induced demand due to relocation triggered by infrastructure investments. Using an integrated transport and land-use model calibrated for the Stockholm region, we explore whether this has any significant impact on the CBA outcome, and in particular on the relative ranking of rail and road investments. Our results indicate that induced demand has a larger impact on the benefit of rail investments than on the benefit of road investments. The effect on the relative ranking is still limited for two reasons. First, the number of houses that are built over 20 30 years is limited in comparison to the size of the existing housing stock. Second, the location of most of the new houses is not affected by any single infrastructure investment, since the latter has a marginal effect on total accessibility in a city with a mature transport system. A second aim of this paper is to investigate the robustness of the relative CBA ranking of rail and road investments, with respect to the planning policy in the region 25 years ahead. While the results suggest that this ranking is surprisingly robust, there is a tendency that the net benefit of rail investments is more sensitive to the future planning policy than road investments. Our results also underscore that the future land-use planning in the region in general has a considerably stronger impact on accessibility and car use than individual road or rail investments have.

Keywords
Cost-benefit analysis, Transport planning, Land-use planning
National Category
Transport Systems and Logistics
Identifiers
urn:nbn:se:kth:diva-161571 (URN)10.1016/j.retrec.2014.09.021 (DOI)000349567700009 ()2-s2.0-84922792869 (Scopus ID)
Note

QC 20150326

Available from: 2015-03-26 Created: 2015-03-13 Last updated: 2017-12-04Bibliographically approved
Jonsson, D., Karlström, A., Fadaei, M. & Olsson, P. (2014). Reconciling user benefit and time-geography-based individual accessibility measures. Environment and Planning, B: Planning and Design, 41(6), 1031-1043
Open this publication in new window or tab >>Reconciling user benefit and time-geography-based individual accessibility measures
2014 (English)In: Environment and Planning, B: Planning and Design, ISSN 0265-8135, E-ISSN 1472-3417, Vol. 41, no 6, p. 1031-1043Article in journal (Refereed) Published
Abstract [en]

This paper presents a dynamic discrete choice model of activity scheduling that features classic time-geography properties within a microeconomic framework. We present results that show how the model can produce accessibilities that form space-time prisms, while retaining the properties of traditional measures based on consumer surplus in the form of logsums. The main features of the model are that it handles time-space constraints, travel time uncertainty, and endogenous trip chaining in one consistent framework. The resulting accessibility respects the individual's time budget and fixed activities. The dynamic discrete choice framework makes possible estimation of behavioural parameters using well-known methods. Some of the remaining computational challenges are discussed. The final section provides some examples of the policy analysis possibilities provided by a model of this kind.

Place, publisher, year, edition, pages
Sage Publications, 2014
Keywords
accessibility, agent-based modelling (ABM), transportation modelling, travel behaviour
National Category
Environmental Sciences
Identifiers
urn:nbn:se:kth:diva-158308 (URN)10.1068/b130069p (DOI)000345855000007 ()2-s2.0-84919339587 (Scopus ID)
Note

QC 20150107. QC 20160222

Available from: 2015-01-07 Created: 2015-01-07 Last updated: 2017-12-05Bibliographically approved
Organisations
Identifiers
ORCID iD: ORCID iD iconorcid.org/0000-0001-8901-5978

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