Regularly, the Grand Boulevard is subject to maintenance work requiring block some traffic
: cleaning of the sewerage network, gutters, to avoid flooding, and maintenance of the roadway. Since the beginning of the week, it is the common section, between Lille and Marcq-en-Barœul, in both directions, which is concerned, but only on the central tracks and from 9 a.m. to 4 p.m.
Before 9 a.m. and after 4 p.m., the mini-tunnels therefore remain accessible. Sideways can still be …