Sofia Urban Mobility Centre analysis shows that single vehicles use cause 85% of the traffic coming from the city suburbs to the central zone and are therefore a major air pollutant.

Improving the quality of the air in Sofia is the main goal of the INNOAIR project, which introduces a holistic set of tools and a new model of public transport - Green public transport on-demand, which will change the way people commute in the city and significantly reduce the number of single vehicles use.

In order to encourage people to change their travel behavior, Sofia Urban Mobility Centre will introduce "Green corridors" as part of the project in order to further develop the urban ecosystem. Routes with prevailing public transport on the territory of Sofia will give priority to zero-emission transport – e-buses, trolleybuses, tramways, metro, as well as personal vehicles - shared bicycles, shared e-bikes, shared e-scooters, shared electric cars.

The green corridors are the zones where "Green transport to-demand" will operate and will be the connection between zones and the largest transport hubs in Sofia.

In order to establish sustainable green infrastructure network, are envisaged all possibilities to connect the corridors to other existing green systems of the city such as parks, open spaces for recreation, bike lanes, pedestrian recreation areas, etc. 

The web-based digital map of the selected green corridors will be and publicly available, based on OpenStreetMaps, with free access and no registration - The map will provide:

          - dynamic information - current condition and / or location of zero emission ground public transport vehicles, metro, electric buses, trams, trolleys and on demand transport, as well as the location of shared electric vehicles - Hobo and Spark;

          - static information - charging stations, stops location, lines, routes and timetable of public transport vehicles.

The user will opt between the modes to be displayed on the map – PT/ alternative transport/ green corridors, and, choose among the layers of the static data – cycling lanes, charging stations, bus stops, timetables.

The App will provide information for the temporary traffic organization in connection with road repair works.

During the project, the impact and effectiveness of the green corridors will be measured using evaluation methodology developed for the purpose. Validations and volume of passengers in the ground public transport along the green corridors and the share of zero-emission vehicles will be monitored and evaluated, as well as the users’ satisfaction from the public transport service.

The "Green Corridors" initiative will also be digitally represented as a guidebook for other cities to re-use and gain knowledge as best practice sharing - regular reduction of traffic and improving eco-mobility in the areas of green corridors; reduction of air pollution related to road traffic; opportunities and guidelines for the development of green corridors; reduction of harmful emissions in the city in accordance with the guidelines in the developed strategic documents for the development of sustainable mobility in the city; providing an additional instrument for meeting the requirements of the EC regarding air quality; informing and initiating changes in the behavior of citizens; impact on the development of environmentally friendly forms of transport - electric, bicycle and pedestrian; development of the policy for directing the citizens and the administration towards the use of more environmentally efficient forms of transport; use in the implementation of green corridors and other cities.