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MODUM Field Trials

Objectives of the MODUM field trials

The purpose of the MODUM field trials was twofold: On the one hand the aim of the field trials was to test the application in a “real-world” scenario and get the assessment and feedback of the test users and the city councils’ staff. On the other hand the objective of the field trials was to get an indication of the impact potential of the MODUM application with respect to reduction of carbon emissions and duration of journeys in urban centres.

Design of the MODUM field trials

The MODUM application aims to reduce the carbon emissions and duration of journeys in urban centres, through providing real time multimodal advice to travellers. Therefore, in order to measure the impact of the MODUM application and demonstrate the MODUM system’s ability to respond to demands from practical use cases, the trials had been designed to ensure that the following three scenarios were enacted by the test users:

  • Scenario A: driving in a congested city (illustration of MODUM’s management mechanism interacting with intelligent road infrastructure for efficient route planning)
  • Scenario B: car users switching to other modes of transport (illustration of MODUM’s approach to switching between different modes of transport for efficient journeys)
  • Scenario C: multi-modal transport (illustration of MODUM’s approach for clean and efficient multi-modal journeys)

The specific performance indicators that were measured across these scenarios include reductions in carbon emissions, commuting duration, uncertainty of journey time, and overall congestion as well as a change in modal split.

In order to be able to measure the indicators mentioned above, the trials were conducted across two phases: The first phase, a control period, required participants to complete 5 journeys as per their typical commuting behaviour with no advice from the system. The second phase saw participants complete at least 20 journeys, where they received advice from the MODUM system and followed this advice by choosing either the fastest or greenest route to their destination.

Test users, who were willing to participate in the MODUM trials, had to register online. To ensure that the travel data gathered across the two phases of the trials are comparable, participants were required to predefine their route origin and destination upon registration: Registration requested account login and demographic details before asking the participant to enter their typical commute. Entry of their commute was completed through selection of an origin and arrival location within a map interface. Input of time spent on modes of transport was also captured to ascertain participants’ typical commute from which changes in behaviour were measured.

MODUM trial participants had to use an Android smartphone running Android 4.2 or higher, and had to commute within the trial study area to be able to take part in the trial. The geographical areas selected for the trial study had been chosen to include areas of high traffic density as well as corridors where multi-modal trips were possible (i.e. where there were public transport services, Park&Ride facilities, cycle lanes, etc.) in order to facilitate any combination of single or multimodality.


MODUM addresses the environmental footprint in the transport sector by developing a new approach for pro-active demand-responsive management of traffic. This approach enables energy-efficient multi-modal transport choices accommodating dynamic variations, minimising the environmental impact and improving the quality of life in urban environments.


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