Aircraft monitoring

Sky Light Aircraft System tested in Milan Malpensa Airport

Intelligent traffic light control in Rome

Traffic monitoring and traffic signal management based on public transport priority


In-block and off-block time
Aircraft parking monitoring, ground vehicle operation management, taxi and bus access
on-street parking
Parking bay monitoring and identification of users with BLE technology for countless applications
Vehicle counting, speed monitoring, classification by length, real-time traffic light management


Three detection technologies

Ambient light detection (patented), infrared and magnetic sensor

Easy installation and maintenance

Quick operations with common tools, without interrupting traffic completely


No wires means no restrictions on the choice of the installation layout

Replaceable battery

Long lasting replaceable batteries to get an incredible product lifetime


Aircraft stand monitoring in Milano Malpensa Airport
Aircraft parking monitoring

Sky Light Aircraft System was born in July 2015…

Monitoring parking bays reserved to disabled people
Parking for disabled people

Nabla Quadro and I-Tel S.r.l. started a project with the city of Cerignola (FG)…

Smart City Trento
Smart City Trento

Trento has been one of the first cities to test Sky Light technology …

Smart Cities Test Plant Bologna
Smart Cities Test Plant

In Bologna one of the biggest test plant has been installed …

Smart City tests at National Research Council in Bologna
Smart City tests at CNR BO

The Smart Services Cooperation Lab in Bologna …

Traffic light control in Rome Flaminio
Traffic lights in Rome

The system has been installed by Citelum, one of the most …

Traffic light control for trams in Padova
Tram at a junction in Padova

A test to detect trains approaching a traffic light

Traffic light control for trams in Rome Aldrovandi
Tram detection in Rome

In November 2014 Nabla Quadro and Roma Servizi per la Mobilit√† started…

Traffic light control for trains in Rome Casilina
Train priority in Rome

This installation has been completed in June 2015 with Roma Servizi per la Mobilit√† srl…

Traffic light control in Rome Nomentana
Smart traffic lights in Rome

Sky Light Intersection System has been installed in via Nomentana

Traffic light control in Genova
Sensors vs loops in Genova

A comparison between two technologies for traffic light control

Gate access control
Taxi access at MXP Airport

A test to integrate sensors into the access management system …

Truck monitoring in Este
Truck monitoring in Este

Urban access regulation needs traffic data to …

Traffic monitoring in L’Aquila
Traffic monitoring in L'Aquila

A big project on traffic monitoring on the …

Traffic monitoring at Tosano shopping mall
Traffic at the shopping mall

Traffic data are useful to understand how many visitors…

Traffic monitoring in Castel Romano
Traffic in Castel Romano

Our first test plant for traffic monitoring

Traffic monitoring in San Benedetto del Tronto
Traffic in San Benedetto

Traffic monitoring with LoRaWAN sensors

Monitoring of reserved parking bays in Trento
Reserved parking in Trento

For people with disabilities and loading



Nabla Quadro was founded in 2008 by two engineers with an extensive experience in analysis and control of environmental impact caused by the construction and operation of transportation infrastructures.

The company mission is to offer services to assess and mitigate noise, as well as technology solutions to improve urban mobility.