Are Ontario’s new 110 km/h speed limits dangerous?
Oct 5, 2026 · 16m
Summary
This episode of The Current examines Ontario’s recent increase of highway speed limits from 100 to 110 km/h. Host Matt Galloway speaks with Stephanie Cowell of Parachute Canada, who cites evidence that higher speeds exponentially increase crash risks and fatalities. Additionally, psychology professor Laura Kavanaugh explores the behavioral drivers behind speeding, including sensation-seeking brain chemistry, social norms, and the risk homeostasis theory.
Topics discussed
Intro: West of Centre pipeline segment
Listener reactions to Ontario's new 110 km/h limit
Context: Ontario highway speed limit changes
Stephanie Cowell: Evidence on speed and crash risk
Physics of speed and driver behavior data
Risk assessment: Deaths vs. time saved
The minimal time savings of higher speeds
Humanizing the cost of road fatalities
Comparing Ontario to other provinces' limits
Distracted driving at high speeds
Closing remarks with Stephanie Cowell
Promo: The Debaters podcast
Laura Kavanaugh: Why people speed
Factors: Time pressure, confidence, and demographics
Brain chemistry: Dopamine and sensation seeking
Social norms and traffic flow influence
The Risk Homeostasis Theory explained
Potential behavioral changes with higher limits
Connection between speeding and road rage
Outro: Listener call to action
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