To eradicate cigarette trafficking, Nanterre attacks the underground passage of an RER station. During a symbolic action, the municipality condemned, for forty-eight hours, access to the underpass, considered the epicenter of traffic.

A closure that the mayor, Raphaël Adam, went to explain to users in person, accompanied by a few deputies. 'Island. A way to show the population your support,' said the mayor of Nanterrre-Ville in a statement.