On the rail networks, only one in three high-speed TGV trains were operating and even fewer local and regional trains.
Marching behind banners reading "No to the reform" or "We won't give up," many said they would take to the streets as often as needed for the government to back down.
He sits in a chair ..., he can work until he's 70, even," she said.
"We can't ask roof layers to work until 64, it's not possible."
It's a real message sent to the government, saying we don't want the 64 years," Laurent Berger, who leads CFDT, France's largest union, said ahead of the Paris march.