Skip to main content

Canadian city pilots technology to improve traffic flow, safety

The City of Edmonton, Canada is piloting new traffic technology to help drivers get where they need to faster, easier and more safely, with the help of the University of Alberta's Centre for Smart Transportation. The city is testing an Advisory Driving Speed system on one of the city’s major freeway where the legal speed limit is 80 km/h and which experiences congestion issues during peak periods. Signage informs drivers of the recommended speed they should travel to avoid traffic jams and sudden stops,
August 21, 2015 Read time: 2 mins
The City of Edmonton, Canada is piloting new traffic technology to help drivers get where they need to faster, easier and more safely, with the help of the University of Alberta's Centre for Smart Transportation.

The city is testing an Advisory Driving Speed system on one of the city’s major freeway where the legal speed limit is 80 km/h and which experiences congestion issues during peak periods. Signage informs drivers of the recommended speed they should travel to avoid traffic jams and sudden stops, optimising travel time.

The recommended driving speed is calculated using vehicle volume and speed data, gathered by sensors buried under the roadway and ramps. The data are processed through a complex algorithm developed by the centre. The calculation for recommended speed is then programmed and posted on digital signs controlled from the city’s Traffic Management Centre.

Similar technology has reduced collisions and congestion in France, Sweden and the United States. Once the pilot is complete, the city will review the results and evaluate the potential of using the technology as a permanent solution to traffic issues.

“This is an exciting opportunity for our research group to work with the city and tackle the problem of traffic congestion and improving public safety,” said civil engineering professor Tony Qiu, director of the centre in the Department of Civil and Environmental Engineering.

“Other cities have successfully installed advisory speed signs to manage congestion and reduce stop-and-go traffic, and we hope to achieve these benefits in Edmonton as well.”

Qiu says planning for the pilot project began the week he arrived at the U of A six years ago. He says he found a group of like-minded individuals when he met with city transportation officials.

“The recommended speed will change according to issues such as heavy volume, construction, collisions and weather conditions,” said Wai Cheung, technical specialist in advanced traffic analysis with the city’s transportation operations. “If drivers match the recommended speed, even if it’s only 10 km/h slower, they will help reduce congestion and possibly collisions.”

Related Content

  • GridMatrix goes back to the future in New York City
    September 25, 2023
    Legacy traffic management infrastructure doesn’t have to be a marker of the past: software upgrades can bring it into the present in a cost-effective and timely way, says Gordon Feller
  • Europe’s road safety gains have stagnated EU
    March 17, 2017
    Europe will fail to meet its road death targets as enforcement budgets are slashed and drivers face an epidemic of distractions. The European Union will not achieve its aim of halving the number of people killed on its roads each year by 2020, delegates to Tispol’s (the organisation of European traffic police) annual conference in Manchester were told. “The target will be missed because there was only a 17% decrease in road fatalities across Europe between 2010 and 2015 when [the rate of reduction] should h
  • New York unveils ‘Midtown in Motion’ traffic management system
    April 19, 2012
    New York Mayor Bloomberg has unveiled a new, technology-based traffic management system that allows city traffic engineers to monitor and respond to Midtown Manhattan traffic conditions in real time, improving traffic flow on the city’s most congested streets.
  • WIM industry ponders certification challenge
    April 29, 2019
    It’s hard to pin down the world of Weigh in Motion. Adam Hill asks five of the sector’s leading players about current developments – and whether problems with certification will ever be solved