With its 750,000 travelers per day, metro line 1 is no longer the busiest in the network. It was dethroned by line 14 which now welcomes nearly 820,000 travelers daily during the week, an increase of 45% compared to winter 2023-2024. And ” the dynamic is also confirmed at the weekend, with 535,000 travelers on Saturday and 435,000 on Sunday, figures equivalent to the weekday traffic of lines 6 or 7 for Saturday, lines 2, 3 for Sunday », Compare Ile-de-France Mobilités and RATP.
This is what reveals a ridership study carried out in the fall of 2025 by RATP, which operates the line on behalf of Ile-de-France Mobilités. A study financed by the Société des Grands Projets, in charge of the deployment of the Grand Paris Express, the new suburban metro network, including line 14, with its extensions (north towards Saint-Denis Pleyel station and south to Orly airport), constitutes the “ spine » since it will connect the historic network and future metro lines 15, 16, 17, and 18, with which it will connect.
The southern extension has found its audience
Commissioned on June 24, 2024, these northern and southern extensions largely explain the increase in ridership on this line, now 28 km long. If the main Parisian stations of line 14 remain the busiest (Gare de Lyon with more than 250,000 daily users, followed by Châtelet and Saint-Lazare), nearly 190,000 travelers use its southern section daily, representing 23% of its users. “ This mainly concerns journeys between the new stations and those of the historic section of line 14 “. New stations located mainly in municipalities in Val-de-Marne offering new travel options to their residents that line 14 now positions less than 20 minutes from the center of Paris.
Among the busiest stations on the southern extension are, unsurprisingly, the Orly Airport station through which 43,000 daily passengers on line 14 pass, “ reflecting the success of the direct connection between Paris and the airport “, and the Maison Blanche station in Paris (13th) which welcomes nearly 67,000 users of line 14 per day, ” pallowing a reduction in the load on line 7 » which serves this same station.
On the northern extension, the Saint-Denis – Pleyel station (its only new station) welcomes nearly 22,000 travelers daily. “ Attendance which will increase significantly when lines 15, 16 and 17 come into service » which will also pass through this future Grand Paris Express hub.
A longer and more efficient line
But the extensions of line 14 are not the only development explaining its increase in ridership. With an interval reduced to 85 seconds during rush hour between two trains – longer MP14 trainsets (33% more capacity) and “ more comfortable » – made possible by a reinforcement of the transport offer in place since April 2025, line 14 is also the most efficient. She has 100% punctuality. “ The commissioning of the extension of line 14 was accompanied by a modernization of the line, including the renewal of the automatic train control system, a world first achieved before the Paris 2024 Olympic and Paralympic Games », underline the RATP and Ile-de-France Mobilités.
And in 2027, the line will benefit from three additional trains (financed by Ile-de-France Mobilités), which will provide it with a fleet of 75 MP14s, and “ will make it possible to anticipate a new increase in load with the opening of the Ile-de-France metro lines while maintaining a comfortable travel experience “. But already, the line displays a level of attendance “consistent with the prospect of one million passengers eventually once lines 15, 16, 17 and 18 are put into service ».
