NEW ROAD CONDITION ASSESSMENT SYSTEM MEANS MORE INFORMED DECISION MAKING

The City of Saskatoon has invested in a new road condition assessment system which will provide more data on the condition of our roads than ever before and will steer future road preservation and rehabilitation programs.

“This is the first time in Saskatoon’s history that we will have an objective, technology-based condition assessment of our complete road network,” says Mike Gutek, Director of Major Projects. “An increase in funding has allowed us to invest in this new technology to better assess the condition of our roads.”

In the past, City engineering staff would manually inspect portions of roadway and rate the condition based on three visible defects; dips, cracking and roughness. This manual data collection would take up to four years to gather and provide data of various ages.

The new method, implemented earlier this year, uses a semi-automated road rating vehicle which can detect up to 11 different surface and structural defects in the roadway. Not only does this new method allow the City to inspect the entire roadway, it will help determine patterns, predict future distresses and determine the best long term treatments. It will also establish a new baseline network condition and provide an up-to-date road condition report card every four years with yearly report cards updated using deterioration prediction models.

“Through this new process, data from the more than 4,000 kilometres of road network can be collected in just a couple of months as opposed to four years,” says Gutek. “As we analyze the data we’ll be able to make more informed decisions as we deploy the rehabilitation budgets.”

Focusing all funding on roads that are in the worst condition would lead to a relatively rapid decline in the overall network condition; this is because it would cost the same to completely reconstruct one kilometre of the worst road as it would to repair 20 kilometres of road that may be in fair condition with a minor roadway treatment. 

The new assessment system will help to improve the City’s road network in the most cost effective way and allow a more proactive approach.

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