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Paris Île-de-FranceÎle-de-France Mobilités

Île-de-France Mobilités 4503 bus

Massy / Palaiseau RER <> Porte d'Étampes

59 % on time

Île-de-France Mobilités 4503 bus Stop List and Next Departures

The Île-de-France Mobilités 4503 - Massy / Palaiseau RER <> Porte d'Étampes bus serves 37 bus stops in the Paris Île-de-France area departing from Porte d'Étampes and ending at Gare de Massy Palaiseau. Scroll down to see upcoming 4503 bus times at each stop and the next scheduled 4503 bus times will be displayed. The full 4503 bus schedule as well as real-time departures (if available) can be found in the Transit app.

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Stops
Thu, Oct 23, 2025
  • Porte d'ÉtampesWheelchair accessible10:15 AM
  • La PosteNot wheelchair accessible10:17 AM
  • Porte de ParisWheelchair accessible10:18 AM
  • La Montagne / Lycée BelmondoWheelchair accessible10:20 AM
  • La Petite FolieWheelchair accessible10:21 AM
  • La Grande FolieWheelchair accessible10:22 AM
  • Le JubiléWheelchair accessible10:25 AM
  • Château d'EauWheelchair accessible10:27 AM
  • Place de l'EuropeWheelchair accessible10:32 AM
  • Rue de ParisWheelchair accessible10:33 AM
  • Pont Belles DamesWheelchair accessible10:35 AM
  • La Grange aux CerclesWheelchair accessible10:38 AM
  • Les Joncs MarinsWheelchair accessible10:39 AM
  • Les Berges du RouillonWheelchair accessible10:41 AM
  • ChâteauWheelchair accessible10:43 AM
  • MairieWheelchair accessible10:44 AM
  • BeaulieuWheelchair accessible10:45 AM
  • Docteur CathelinWheelchair accessible10:47 AM
  • Résidence Fontanges / Bel AirWheelchair accessible10:47 AM
  • Résidence la RocadeWheelchair accessible10:48 AM
  • Les CôteauxWheelchair accessible10:49 AM
  • Les Côteaux / PasteurWheelchair accessible10:50 AM
  • Hôpital de LongjumeauWheelchair accessible10:51 AM
  • École d'InfirmièresWheelchair accessible10:53 AM
  • Le MoulinNot wheelchair accessible10:55 AM
  • Les DévodesWheelchair accessible10:56 AM
  • La PrairieWheelchair accessible10:58 AM
  • École Île de FranceWheelchair accessible10:59 AM
  • La BretècheWheelchair accessible11:00 AM
  • GutenbergWheelchair accessible11:02 AM
  • Léon BlumWheelchair accessible11:02 AM
  • Ambroise CroizatWheelchair accessible11:03 AM
  • Cosmonautes / StalingradWheelchair accessible11:04 AM
  • Cosmonautes / FlaubertWheelchair accessible11:05 AM
  • Barbusse / BaudotWheelchair accessible11:06 AM
  • Place du Grand OuestWheelchair accessible11:08 AM
  • Gare de Massy PalaiseauWheelchair accessible11:08 AM
  • Île-de-France Mobilités Massy / Palaiseau RER <> Porte d'Étampes map

    Île-de-France Mobilités 4503 bus route map

    The Île-de-France Mobilités 4503 - Massy / Palaiseau RER <> Porte d'Étampes bus route map is shown above. The route map shows you an overview of all the stops served by the Île-de-France Mobilités 4503 bus to help you plan your trip on Île-de-France Mobilités. Opening the app will allow you to see more detailed information about the route on a map including stop specific alerts, such as stops that have been closed or moved. You can also see the location of vehicles in real-time on the route map so you know when the 4503 bus is approaching your stop.

    See the detailed route map

    Île-de-France Mobilités 4503 bus Service Alerts

    Open the Transit app to see more information about any active disruptions that may impact the 4503 bus schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The Transit app also allows you to subscribe to receive notifications for any service alert issued by Île-de-France Mobilités so that you can plan your trip around any active or future disruptions.

    See all alerts

    Île-de-France Mobilités 4503 bus Service Frequency

    The next 4503 bus leaves Porte d'Étampes at 10:15 AM, and arrives at Gare de Massy Palaiseau at 11:08 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

    See all departures

    Île-de-France Mobilités 4503 bus On-Time Performance

    59 % on time

    59% of riders report that the Île-de-France Mobilités 4503 bus arrived on time on their previous trip. In the past 30 days, 18 riders reported on the on-time performance of the 4503 bus. Compared to other Île-de-France Mobilités lines, the 4503 bus is ranked 97 out of 1536 Île-de-France Mobilités lines. These on-time performance stats are user reported and may differ from official Île-de-France Mobilités metrics. See more details about on time, late or early departure reports for the 4503 by opening the Transit app.

    See all on-time performance details

    Île-de-France Mobilités 4503 bus FAQ

    Other Île-de-France Mobilités bus schedules, routes and maps

    Other transit modes in Paris Île-de-France area

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