The planned shutdown, which will affect transit in and beyond Paris, dovetails with the tube strike in London.

A strike on the London Underground began Sunday over pay and conditions, threatening to upend commuter journeys for most of the week.

Underground stations were closed and buses were crammed with commuters grappling with a walkout by transit workers that is expected to continue until Friday.

The planned shutdown, which will affect transit in and beyond Paris, dovetails with the tube strike in London.