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Paris Île-de-FranceÎle-de-France Mobilités

Île-de-France Mobilités 4503 bus

Massy / Palaiseau RER <> Porte d'Étampes

77 % 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
Tue, Dec 23, 2025
  • Porte d'ÉtampesWheelchair accessible3:15 PM
  • La PosteNot wheelchair accessible3:17 PM
  • Porte de ParisWheelchair accessible3:18 PM
  • La Montagne / Lycée BelmondoWheelchair accessible3:20 PM
  • La Petite FolieWheelchair accessible3:21 PM
  • La Grande FolieWheelchair accessible3:22 PM
  • Le JubiléWheelchair accessible3:24 PM
  • Château d'EauWheelchair accessible3:26 PM
  • Place de l'EuropeWheelchair accessible3:30 PM
  • Rue de ParisWheelchair accessible3:31 PM
  • Pont Belles DamesWheelchair accessible3:33 PM
  • La Grange aux CerclesWheelchair accessible3:35 PM
  • Les Joncs MarinsWheelchair accessible3:36 PM
  • Les Berges du RouillonWheelchair accessible3:38 PM
  • ChâteauWheelchair accessible3:40 PM
  • MairieWheelchair accessible3:41 PM
  • BeaulieuWheelchair accessible3:42 PM
  • Docteur CathelinWheelchair accessible3:44 PM
  • Résidence Fontanges / Bel AirWheelchair accessible3:44 PM
  • Résidence la RocadeWheelchair accessible3:45 PM
  • Les CôteauxWheelchair accessible3:46 PM
  • Les Côteaux / PasteurWheelchair accessible3:47 PM
  • Hôpital de LongjumeauWheelchair accessible3:49 PM
  • École d'InfirmièresWheelchair accessible3:51 PM
  • Le MoulinNot wheelchair accessible3:53 PM
  • Les DévodesWheelchair accessible3:55 PM
  • La PrairieWheelchair accessible3:56 PM
  • École Île de FranceWheelchair accessible3:58 PM
  • La BretècheWheelchair accessible3:59 PM
  • GutenbergWheelchair accessible4:01 PM
  • Léon BlumWheelchair accessible4:01 PM
  • Ambroise CroizatWheelchair accessible4:02 PM
  • Cosmonautes / StalingradWheelchair accessible4:03 PM
  • Cosmonautes / FlaubertWheelchair accessible4:04 PM
  • Barbusse / BaudotWheelchair accessible4:06 PM
  • Place du Grand OuestWheelchair accessible4:07 PM
  • Gare de Massy PalaiseauWheelchair accessible4:08 PM
  • 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 3:15 PM, and arrives at Gare de Massy Palaiseau at 4:08 PM. 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

    77 % on time

    77% of riders report that the Île-de-France Mobilités 4503 bus arrived on time on their previous trip. In the past 30 days, 21 riders reported on the on-time performance of the 4503 bus. Compared to other Île-de-France Mobilités lines, the 4503 bus is ranked 36 out of 1611 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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