The SAAQ has launched a pilot project to use a sound level meter to measure the sound level (decibels) generated by the exhaust system of motorcycles, mopeds and scooters. The project's findings could result in a recommendation to amend the Highway Safety Code.
The pilot project started in May 2013 and will end after 5 years.
It allows police forces to use sound level metersA device used to measure sound pressure or intensity levels within our audible frequency range. It provides a measurement in decibels. we have provided to measure the exhaust system sound levels, in decibels, of motorcycles, mopeds and scooters.
The purpose of the pilot project is to:
The standard was established by the SAAQ, the Ministère des Transports, de la Mobilité durable et de l'Électrification des transports and a Université Laval researcher who drew inspiration, in particular, from sound level standard J2825 of the Society of Automotive Engineers (SAE).
To make measurement easier and ensure reliability, the method was developed on the basis of the new standard.
How are decibels measured?
Decibels are measured using a sound level meter positioned 50 cm away from the muffler, at the same height and at a 45-degree angle.
The police officer asks the driver to hold the motorcycle and activate the throttle while the sound level meter records a measurement. In the case of a motorcycle equipped with a manual transmission, the motorcycle must be in neutral when measuring sound levels.
As part of the pilot project in 2016, 6 police forces use sound level meters to measure motorcycle, moped and scooter exhaust sound levels.
The noise from certain exhaust systems on motorcycles, mopeds and scooters can not only disturb the peace and tranquillity of residents but also have an impact on road safety, considering that excessive noise can be a source of distraction.
Drivers refusing to have the sound level of their motorcycle, moped or scooter measured are liable to a $200 to $300 fine.
La méthode de mesure du bruit par sonomètre (Video on Using Sound Level Meters to Measure Sound - in French only)