An official report estimates it could cause one death and 17 serious injuries a year.
The loss of the sport's marquee event could spell disaster for its future.
The French government has cast doubt over the cycling Grand Tour proceeding.
Scott Bensley is seven days into the gruelling cycle classic.
The Mitchelton-Scott rider hopes the coronavirus crisis inspires positive change in cycling.
The Kiwi rider has seen the impact of the COVID-19 pandemic first-hand from his European base.
The Brit cyclist suffered a series of injuries during a training accident last year.
New Zealand finished the championships with three medals.
Corbin Strong won NZ's first-ever gold medal in the discipline.