List of Contributions

I live in Waterloo Region about 1 hour to the west of Toronto in Canada. The Transportation Association of Canada has publshed some decent guidelines for roundabout design. We have 40 roundabouts here (constructed since 2004), mostly on arterial roads and they work very well. There are hundreds all over ...

Hello Kevin, Here is a link to some work that I did on the subject a few years ago. https://www.tac-atc.ca/en/best-practices-pothole-repairs-canada-now-available Potholes are a problem everywhere. Not just limited to cold regions. Dave ------------------------------ David Hein P.Eng, ...

​The City of Waterloo dug up the remains of a Corduroy Road under a municipal arterial roadway during the construction of an LRT (See attached newspaper article). I also recently came upon a low volume road where corduroy was used (see photo). This is much more recent and certainly in the past 50 years. ...

​Hello Aditya, There are lots of references on testing both in the field and laboratory testing of products used to fill potholes. I am in the middle of a project with the Transportation Association of Canada to developed best practices for pothole repairs in Canada. I have summarized the literature ...