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Specific environmental model (WP6)
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Home Project Specific environmental model
Specific environmental model (WP6)


Main task of the Work Package “Specific Environmental Model” is the implementation of potential Air Quality Benefits following to the logistic new concept deriving from a cluster of specific pilot project.

To promote a significant environmental modeling evaluation it is schedules elaboration about emissions per single TEU trip, in order to measure the effects of modal split related to new rail services of each planned pilot-projects, in specific areas.

Main goals are following:

  • Estimation on benefits in terms of reduction of emissions on the basis of effects generated from each pilot-project per single TEU.
  • Calculating modal split in advantage of freight rail service (transfer of goods from road to rail)

The positive environmental impact generated by each planned pilot project is the basic criterion to define the sustainability of pilot projects in Transitects.

The start up activity is the linkage with WP4 and WP5 (technical assessment of accompanied and unaccompanied new rail services) to define and select technical parameters, also by integrating modelling evaluation implemented in previous “Alpine Space” project regarding polluting emissions and environmental impact of transport in the Alps.

This is a methodological innovative approach forecasting an integrated analysis regarding emission dynamics of different ways of transport (maritime system included).




For the assessment and calculation of pollutant emissions of Pilot Projects of the new rail services was used algorithm T-ENV Model (CSST – Centro Studi sui Sistemi di Trasporto).

T.ENV Model is the specific emission modelling system selected by MATTM (Italian Ministry of Environment  and territory and sea protection-Ministero dell’Ambiente e della tutela del territorio e del mare) to evaluate emissions generated from transport activities in Alpine and Carpathian area projects (“AlpCheck, “AlpenCors”, “Alpfrail”).

Model estimate (local and macro-area level) emissions from vehicles of main atmospheric pollution, (NOx, PM10, etc) and gasses (CO2), Transport energy consumptions (gasoline, diesel, GPL), Noise.

The input of environmental model are the results of the transalpine transport simulation model (zoning with 1034 centroids deriving from AlpenCors Project), the unit emission in each vehicle typology and territorial data in different country.

The model of interaction of the transport system simulates the way in which the application uses the system to offer producing flows on the arcs of the network that represents it. The transport system model is characterized by congestion, with a circular dependency between demand, flows and costs (Volume delay function).

In particular, the demand for transport is influenced by the time value (translated into costs) in the different dimensions of choice (frequency, destination, type of vehicle and route) flows depend on the demand and how it uses the network and costs, turn, depend on the flows on the arcs of the network in a non-linear due to congestion.

Main functional parameters of Mt model (transport model) are:

  • Graph, representing the reference network, geo-referenced sequence of arcs and nodes (road, rail, harbours, intermodal platforms, etc).
  • Supply technical references (Km extension of arcs, infrastructural capacity, project speed, typology of track, gradient value, tolls, etc).
  • Demand framework, with reference to O/D matrix, to the volume of flows, to user typologies and estimation of relative average time cost.
  • Socio economic references and trends in order to calculate the index demand of traffic for future scenarios.
  • Modal split transfer, with reference to the equivalence values (e.g. truck-rail – tonnes/vehicle and/or TEU/vehicle)  
  • Definition of future scenarios, with reference to time horizons and infrastructural assessment
  • Aggregate functional indicators (Vehicle/Km, average commercial speed in Km/h, average time costs, etc)

Results of T-Env are estimation of gasses and pollutants in a specific area.

Modelling  system can be used to calculate the emission due to traffic on a transport arch more close to the receptor (local contribution) or that one originated from all vehicles sources in the air (areal contribution).

 The goals of this Work Package are:

  • Definition, interpretation, standardization of technical parameters aiming to estimate, in a dynamic way, each pilot project implemented by WP 4 and WP 5
  • Selection of parameters, with  homogenous criteria, for every pilot-project; "Euro" classification of vehicles involved; specific parameters for maritime transport
  • Specifically for each pilot-project, definition of future functional assessment and scenarios, connection with seaports included
  • Estimation of new modal-shift regarding each pilot-project; specific environmental  model elaborations and estimation of benefits in terms of reduction of emissions


Contact the WP responsible: Italian Ministry for the Environment, Land and Sea

Project manager: Paolo Angelini     This e-mail address is being protected from spambots. You need JavaScript enabled to view it




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