Lyon, Strasbourg, Mulhouse
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THE SUSTAINABILITY POTENTIAL OF PERIURBAN AREAS IN FRANCE: LYON, STRASBOURG, MULHOUSE Elise Nimal, Marie Sevenet - EIFER Contact: Elise Nimal Lény Grassot, Charles Raux - LAET Email: [email protected] Context Goals CO2 Objectives (SNBC) Urban sprawl Define the environmentally favorable -30% by 2030 Energy transition urban configurations -70% by 2050 Technology evolutions Presenting the potential of territories European norms for emissions with scenarios METHODS Density Extension Intensification Collective housing (high Separated housing Vehicles emissions factors evolution for private car: Distribution density) Spatio-functional Technological Technological • 4 scenarios Vision ADEME 2030: 100 gCO2/vkm Polarities Controlled sprawl Compact polarities configurations evolutions scenarios • Vision ADEME 2050: 50 g CO2/vkm Compact scattered Behaviour • HBEFA factors for local pollutants Scattering Scattered housing housing structure Based on surveys Related to (EMD, MobPro) configurations CASE STUDY Lyon (imitation method) Alsace (Tool simulation and imitation method) Metropolitan square Strasbourg Eurométropole West suburban square Mulhouse Agglomération West suburban square Imitation method LUTI method (MARS©*) Spatial samples Estimating the modal shift potential (from imitation method) Modal shift potential * spatial Metropolitan square - West suburban square West suburban square LUTI modelling with zones logic configurations Lyon - Lyon - Strasbourg Definition of policies Imitation by determining real Mixing the three scenarios axis feasible journeys (PT) LV2 Strong-willed policies LV1 CO2 and pollutants Costs emissions CO2 and pollutants emissions Indicators Pop. 2050/2015 = Indicators +31% Energy Accessibility Pop. 2050/2015 = Pop. 2050/2015 = +21% +17% *TU Wien Workplaces 2050 CO2 (g) Variation Total Energy (kWh) Polarities/ 2050 CO2 (g) Variation Costs (€) variation accessibility (min) Scattering/ Extension variation Configuration Intensification variation Polarities Polarities Polarities Baserun +31% +20% Scattering Scattering Polarities/ Scattering Metropolitan square - Lyon / / Scattering/ / Configuration / / Intensifica / +23% +27% Intensific Intensific Extension Intensific West - Lyon Baserun Extension Extension tion Extension ation ation ation Configurations West -Alsace +9% +11% -64% -61% +0% +10% +21% +34% +12% +2% Technology Strasbourg -64% -64% +2% +2% +23% +23% +18% +28% 2050 CO2 (g) Variation Mulhouse Technology PT Carpooling EAB Metropolitan square Effects comparison -61% -20% -20% -40% Workplaces - Lyon Total Energy (kWh) 2050 CO2 (g) Variation Costs (€) variation accessibility (min) -62% -4% -14% -35% variation Technology EAB West - Lyon variation -63% -5% -16% -33% West -Alsace Electrically Polarities/ Scattering Polarities/ Scattering Polarities/ Scattering Polarities/ Scattering PT Carpooling Configuration Intensifica / Intensificat / Intensifica / Intensificat / assisted bicycle tion Extension ion Extension tion Extension ion Extension scenario CO2 (g) Variation Strasbourg -64% -61% +0% +10% +21% +34% +12% +2% Horizon 2030 2050 Technology EAB Carpooling + EAB Mulhouse -64% -64% +2% +2% +23% +23% +18% +28% Metropolitan square - Lyon -40% -75% scenario West - Lyon -39% -72% Technology EAB West -Alsace -42% -77% Workplaces Total Energy (kWh) Carpooling 2050 CO2 (g) Variation Costs (€) variation accessibility (min) variation variation Polarities/ Scatterin Polarities/ Scattering Polarities/ Scatterin Polarities/ Scattering Public Transport Configuration Intensifica g/ Intensificat / Intensifica g/ Intensificat / Carpooling + PT CO2 (g) Variation scenario tion Extension ion Extension tion Extension ion Extension Horizon 2030 2050 scenario Strasbourg -68% -64% -17% -6% +1% +13% +79% +100% Metropolitan square - Lyon -31% -59% Technology PT Technology PT Mulhouse -63% -63% -1% -3% +15% +13% +12% +16% Carpooling FINDINGS The location of new population barely affects air pollution and GES emissions The impacts are stronger on the denser areas The technology plays the main role in abatement but is not sufficient to reach French 2050 objectives are not achieved except with a combination of technology, transport activity emissions targets EAB and carpooling promotion Public transport policies may be useful but have a limited potential for modal transfer It requires strong-willed policies to promote EAB and carpooling Coupling EAB and carpooling have higher potential (imitation method) http://geekhebdo.com/strasbourg-est-bien-la-ville-la-plus-belle-de-france-avec-son-patrimoine-architectural-exceptionnel/ https://www.accorhotels.com/fr/hotel-1264-hotel-mercure-mulhouse-centre/index.shtml https://www.easyjet.com/fr/vacances/france/rhone-alpes/lyon/.