RER B and D modernization: major works begin at Gare du Nord

Major modernization works for the RER B and D tunnels have begun at Gare du Nord in Paris.

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The fact

The project aims to improve the reliability and capacity of the most heavily used lines in Île-de-France.

The works, expected to last several years, could disrupt daily traffic.

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Auto-synthesis from 1 media source · identified on August 5, 2026