The Weather Channel http://www.weather.com/

British Columbia http://www.bchighway.com/report

BC Weights and Dimensions Guide http://www.bclaws.ca/EPLibraries/bclaws_new/document/ID/freeside/30_78

The Weather Network http://www.theweathernetwork.com/

Alberta
http://511.alberta.ca/ab/en.html#l=36&x=-12627247&y=6802017&z=1

AB Weights and Dimensions Guide http://www.transportation.alberta.ca/Content/docType276/divroduction/Module7.pdf

Environment Canada http://weather.gc.ca/

Ontario https://511on.ca/#:Alerts

WA Weights and Dimensions Guide  https://wsdot.wa.gov/publications/manuals/fulltext/M30-39/CVG.pdf

 

Manitoba
http://www.gov.mb.ca/mit/map/index.html

MB Weights and Dimensions Guide http://web2.gov.mb.ca/laws/regs/divdf/h060-575.88.pdf