Summer engineering works cut RER B link to Charles-de-Gaulle Airport, forcing business travellers onto replacement buses
Ongoing ‘Cœur de Ligne’ engineering works have suspended RER B services between Gare du Nord and Charles-de-Gaulle Airport each night – and some stretches all day – until mid-August, with replacement buses adding up to 45 minutes. The disruption affects thousands of business travellers and airline crews, prompting operators to recommend extra journey time and alternative routes.
Jul 29, 2026
