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2737493 Ontario Limited

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David Hein, P.Eng, M.ASCE

2737493 Ontario Limited

Contributions

1 to 5 of 9 total

RE: Address Conflict Points in Roadway/Highway Design

Posted By David Hein 03-27-2023 08:02 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
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 ...

RE: LONG-TERM SOLUTIONS TO POTHOLES

Posted By David Hein 09-01-2020 09:28 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
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, ...

RE: Corduroy Roads - Any Recent Uses?

Posted By David Hein 01-04-2019 08:07 AM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
​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. ...

RE: Corduroy Roads - Any Recent Uses?

Posted By David Hein 01-04-2019 07:05 AM
Found In Library: Horizontal/Subsurface Infrastructure & Transportation

RE: Cold mix for potholes

Posted By David Hein 09-05-2018 12:10 PM
Found In Egroup: Horizontal/Subsurface Infrastructure & Transportation \ view thread
​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 ...