Government
Étude de l'action du gel sur les routes
Ministère des Transports du Québec, Service des sols et chaussées
May 1988 study (A. Lacasse). Old but primary; average frost depths under roads by region, p. 16. Read by the research.
Open the source- Consulted
- October 10, 2026
- Region
- QC
- Language
- fr
Cited by
What we take from it
- Under cleared roads, frost reaches on average more than one metre in Montreal and deeper in Quebec City and farther north.