Data from OSM has been automatically categorised in several accessibility classes, in accordance with the national and regional legislation. Two different types of maps have been produced: current status, with footways, crossings, kerbs and obstacles represented, and project status, with modiﬁed elements included in the plan. 1000 kerbs mapped 400 crossings mapped 31% inaccessible kerbs 10000 images uploaded in Mapillary 60000 €/km costs estimated 155 buildings assessed 12 recurring situations 37 standard intervention typologies 10 meetings were organised in 10 different locations, corresponding to the 10 sub-departments of the city. The aim was to present the project and collaboratively decide the areas/paths to be mapped and where to assess accessibility during the following mappings events. 10 mapping events were organised with citizens and local organizations both as demonstration and training for the use of mapping tools (FieldPapers, Mapillary, OSMAnd), and for collection of local expertise on accessibility. Then expert mappers ﬁnalized the collection in information and the upload on OpenStreetMap. Various open tools have been used: FieldPapers during mapping events; OsmAnd during technical mapping; Mapillary for collection of street-level pictures; JOSM for editing OpenStreetMap data; QGIS for the production of ﬁnal cartographic maps of the ofﬁcial plan. PARTICIPATORY MEETINGS MAPPING The "PEBA - Piano per l'Eliminazione delle Barriere architettoniche" (Plan for the elimination of architectural barriers) is a legislative tool aiming at ensuring full accessibility of urban paths, spaces and buildings for all the people. The local administration of Padua ﬁnanced the creation of the PEBA of the city, with the brand "Padova + Accessibile" (Padua more accessible). More information at http://www.comune.padova.it/ peba. The two main criteria for the development of the plan have been a wide participatory vision and the use of open geospatial tools for analysis. OpenStreetMap has been selected as the core tool for mapping accessibility. elements. 10 meetings with citizens and associations 66 invited associations 40 km of footways/paths mapped 137 disabled designated parking spaces 370 geolocated +reports 229 obstacles observed 1.5 km of non-accessible sidewalks 17 km of sidewalks with limited accessibility OUTPUT MAPS CREDITS The local administration of Padua (Comune di Padova) funded the realization of the PEBA, including participatory meetings and mapping events and activities (contact person arch. Alberto Marescotti). Wikimedia Italia provided free patronage for mapping events; various Wikimedia Italia volunteers contributed to the mapping and editing activities. Image “Padova+accessibile” by arch. Alberto Marescotti. Font OpenDyslexic ®. Background image ©OpenStreetMap contributors. Project manager Elena De Toni. The PEBA (Plan for the elimination of architectural barriers) of the city of Padua has been the ﬁrst example in Italy of the direct use of OpenStreetMap as main tool to collect information and derive decisions for the characterization of accessibility of public areas and paths. In the area of Padua, data in OSM have been improved in relation to information on accessibility of public areas and path, especially for disabled people; in addition to this, through the involvement of citizens and local organizations, the use of open source technology and the revision and application of a tagging scheme for OpenStreetMap, accessibility information will be easily updated and extended in the future. CONCLUSIONS TAGGING SCHEME PEBA IN NUMBERS PEBA During the activities of the PEBA, a short guide on how to map parkings for people with disabilities was produced and then shared and promoted to a few associations working on disabilities. In 4 months the number of these parking spaces increased from 0 to ~140, allowing the production of a dynamic map that is being continuosly updated. PARKING SPACES This work is available at http:/