The principle Paris ring highway was slowed to a crawl on Monday morning as a whole lot of ambulances, sirens blaring, protested at adjustments to situations.
Some 500 ambulances had already gathered in Paris earlier than rush hour on Monday as a part of a day of motion.
A brand new regulation implies that hospitals and clinics – fairly than particular person sufferers – will now select which ambulance service to make use of.
Many small operators say meaning they may now not have the ability to compete.
French media report that as much as 2,000 ambulances are anticipated in whole all through the day.
Information outlet France Bleu reported that there have been some 400km (250 miles) of site visitors jams within the Ile-de-France area by 09:00 native time (08:00 GMT). The A4 motorway was additionally affected.
Video of the protests posted on social media confirmed a small military of automobiles at a close to standstill on the often busy predominant highway – every with their lights flashing and sirens on.
Many bore messages in opposition to the controversial reforms on their sides and home windows, and a few paramedics left their automobiles to stroll down the highway bearing placards.
Police additionally arrived on the scene in an try and clear the blockages.
The motion is scheduled to proceed till about 16:00, when the paramedics are as a result of meet in entrance of the ministry of well being.
The reform of ambulance and different health-related transport got here into impact on 1 October, which modified the best way paramedics had been paid for his or her work.
As an alternative of sufferers selecting their supplier, hospitals and different medical amenities will prepare transport for sufferers and pay for it.
Many small unbiased corporations say they will be unable to compete in a public tender course of in opposition to a lot bigger operations, which can provide bulk reductions.
One paramedic, talking to BFMTV, stated that his agency was already receiving far fewer calls than it used to.