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 Good Practice Database

This database contains good practice examples on how the accessibility of public space and public transport can be improved, covering all categories of the ISEMOA Quality Management System.

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ISEMOA Good Practice Fact Sheet

Title in original language NADIA GPS project
Title in English Navigation for Disability Applications
Location Rome, Italy
Year 2009
Initiator Thales Alenia Space Italia
Developed by
(one pick only)
  • PRM lobby group
  • Organization
  • Research Institute
Implementation Area
  • City
  • Urban
Supported accessibility level
  • Meso accessibility
  • Micro accessibility
Elements of the working process - Preconditions
  • User needs
  • Current state
Elements of the working process - Policy
  • Leadership
Elements of the working process - Strategy
  • Budget
Elements of the working process - Implementation
  • Supportive measures
Elements of the working process - Monitoring and Evaluation
  • Stakeholder feedback
Type of PRM Affected
  • Visual impaired
  • Motor impaired
Application Field / Target area - Public Space - Pedestrian / wheelchair
  • Availability
  • Quality
  • Information
Why is it a good practice example? NADIA prototype uses advanced technology as it is an example of military technology transfer to civil application.

NADIA uses GPS satellite technology systems (Egnos - European Geostationary Overlay Service - and Galileo) to allow visual and motor impaired people to travel safely even to unknown destinations in the city.
Background and Objectives / Aims The main objective of the Project is to provide the target users (blind people and wheelchair users) with the possibility to experience end-to-end solutions and prototype products improving mobility in secure and safe conditions.

There are two key aspects that affect the mobility of a person in a given environment: their physical ability to move and their capability to perceive different elements in the environment. Whilst physical ability can impair actual movement, perception ability impacts the real possibility to reach the desired destination, through the knowledge of reference points and obstacles along the path.
Implementation (incl. obstacles, public participation) The NADIA system profits from the location and information services provided by the Multi-Function Navigation Infrastructure, which is composed of a number of servers located in the city of Rome all connected to satellite systems. Motor impaired people are therefore equipped with a laptop, providing real time inputs on type of path and obstacles, and the visually impaired with the 'Local Obstacle Detector' helping blind people to detect obstacles along the path using ultrasound sensors.
Conclusions (incl. output, analysis of benefits) The NADIA prototype is not on the market yet but it matches many expectations of targeted users as was revealed during tests by PRM.

The main benefits are in the possibility of those who are visually and motor impaired to move free, without assistance, in city locations never explored before. Their geographical position is always monitored so other people might check where they are. The prototype also provides additional safety supporting measures such as the 'Take me Home' function which allows the user to find the best path back home and a real time 'Emergency Call' to be activated in case of critical situations.

All in all, the NADIA system allows full mobility autonomy, overcoming all the possible obstacles/architectural barriers which those visually and motor impaired might experience on the way to their desired destination.
Source / Link http://www.asi.it/en/activity/navigation/nadia_project
Information - documents Satellite Navigation Supporting Disabled People: the NADIA Project Demonstration Phase assessment (821 KB)
Pictures
NADIA display (26 KB)