Home cars M25 closures 2024: motorway set to shut again “between now and autumn” cars M25 closures 2024: motorway set to shut again “between now and autumn” By - July 15, 2024 16 0 FacebookTwitterPinterestWhatsApp The M25 is open after the third full weekend closure of this year, but drivers should prepare for more disruption as two more “unprecedented” daytime closures are set to occur before the end of the year.