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In Paris, Bicycles Make Their Comeback Too: Traffic Jams on the Bike Lanes

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The Editor

After packed terraces and subways hitting rush hour again, another sign signals a return to normal: bikes are everywhere once more. From early morning, Paris's bike lanes fill up with commuter cyclists, Vélib' bikes, e-bikes, and delivery riders. And with them comes a phenomenon that's no longer so surprising for drivers and pedestrians: during peak hours, certain intersections turn into genuine bike traffic jams.

Paris is transforming, cycling reigns supreme, but sharing the roads is becoming a challenge. Between phenomenal success and infrastructure saturation, the city faces a major issue: rethinking safety at our intersections so that cycling remains a calm and sustainable alternative to cars. 

Bike lanes at maximum capacity

In just a few short years, Paris has become a cyclist's paradise. Except that, victims of their own success, our bike lanes are pushing capacity to the limit. In 2025, network usage jumped 7.9% in a year (a spectacular +47% since 2020). Boulevard de Sébastopol is breaking records with 15,596 bikes per day, ahead of Rivoli (11,391) and Magenta (11,353). During rush hours, it's gridlock guaranteed... and accident risks are climbing. 

Intersections under pressure

The real problem with all this congestion? Intersections, transformed into giant funnels. The association Paris en Selle is sounding the alarm: poor visibility, unclear paths, distracted drivers, and bike lanes that are sometimes too narrow... More than 200 critical intersections have been identified in the capital, with Bastille, Denfert-Rochereau, and Porte d'Italie topping the list.

The tragic reality of blind spots

Behind this buzz, the reality is unfortunately darker. On February 19, 2026, at the Barbès-Rochechouart intersection, a 29-year-old cyclist lost her life, struck down by a truck. In five months, it's the sixth similar tragedy in Paris. A tragic reality that highlights the absolute urgency of eliminating blind spots and filling the missing links in the network.

A planning challenge for the capital

The bicycle has clearly won the battle for Parisian mobility. But with increasingly busy bike lanes, securing intersections has now become one of the capital's major challenges. The City of Paris has already redesigned 60 strategic intersections, but faced with the rising number of cyclists, the pace must accelerate even further.

What will change in the coming months

In response to this situation, the City intends to continue securing the most accidental

endogenous. "Dutch-style" intersections, protective islands, reinforced markings for bike lane transitions and improved signage are among the measures designed to better separate traffic flows and make cyclists more visible. Several projects are already underway in 2026, particularly at Denfert-Rochereau, where new bike lanes are being created as part of the square's redesign, with work expected to be completed in 2027. The City also plans to strengthen enforcement against violations of bike lanes and transitions, as well as crack down on dangerous behavior.

Because the real challenge now is to support cycling's success without letting infrastructure fall behind. Securing intersections is no longer just a matter of urban planning, but an essential condition for bikes to remain a safe, smooth, and sustainable alternative to cars in Paris.