Ecological footprint of the Rhone-Alp Regional Express Network

Ecological footprint of the Rhone-Alp Regional Express Network

In 2011, SYSTRA was commissioned by the Rhone-Alp Region to manage a multi-criteria analysis to define the ecological footprint of its regional express network (road and rail).

SYSTRA developed a tool to establish an environmental profile of all of the traffic using the regional express network over 4 individual years to be able to anticipate how it would change based on operational factors. This information was used for decision-making purposes by the Transport Authority.

To complete this study, the Sustainable Development Engineering Department had to liaise with many local stakeholders (the Rhone-Alp regional authorities, the network operator – SNCF and rolling stock manufacturers) over a number of months on the wide range of issues covered by this multi-criteria analysis.

SYSTRA’s role

As project manager, SYSTRA was responsible for:

  • Defining a methodology and designing a model for calculating the ecological footprint
  • Developing a tool to calculate the ecological footprint of the regional express network
  • Producing ecological footprint reports for all regional express network traffic for 2002, 2005, 2009 and 2010
  • Compiling a socio-economic study and an overview of ecological footprints for each change scenario
  • Producing a strategic analysis to define the key directions and measures to take to reduce the network’s impact on the environment
  • Managing interfaces with SNCF, the operator of the Rhone-Alp regional express network
  • Training the Transport Authority’s team to use the tool.
  • This multi-criteria analysis covered green gas emissions, energy consumption and emissions of local atmospheric pollutants.
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