Metro 3bis works: dates, times and alternatives in May 2026 Last updated: May 23, 2026
In May 2026, works are planned on metro line 3bis to renew signaling equipment. These closures may affect your travel: find the schedule and our advice in this article.
Key dates
Closures are scheduled on line 
for signalling equipment renewal works :
🚫 Full closure all day :
- from 16 to 29 May 2026 inclusive
Alternatives
- During this period, service on line
will be reinforced - Alternative routes are available including metro, bus and tram (see map)
- You can also choose to walk or cycle (distances and times indicated on the map)
Adjust your journeys with the Bonjour RATP app
🔎 Search for the best route
Start a route search: the results anticipate disruptions to help you avoid work zones. Then customize according to your needs: schedules, transport modes, lines or stations to avoid…
🚦 Check live traffic information
Access real-time traffic status via the app's Traffic tab. You can enable personalized alerts to be notified when your lines are affected.
📹 Demo: follow traffic updates with the app
The Bonjour RATP app, your ally for anticipating disruptions and
finding the best routes during works
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