How to get from Crosne to Poissy by RER and bus?

From Crosne to Poissy by RER and bus

To get from Crosne to Poissy in Paris, you’ll need to take one bus line and 2 RER lines: take the 450 bus from Boileau station to Gare de Villeneuve-Saint-Georges station. Next, you’ll have to switch to the D RER and finally take the A RER from Gare de Lyon station to Poissy station. The total trip duration for this route is approximately 1 hr 36 min. The RER and bus schedule from Crosne may change. We recommend you check the updated RER and bus schedule to Poissy on the Moovit app.

96min
Walk to bus station
Bus - 450450
RER - D
RER - D
RER - A
RER - A
Leaves from Boileau

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Boileau
    10 m • 1 min
  • 2
    Bus - 450450
    Wait for bus
    450
    Créteil - L'Échat
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Villeneuve-Saint-Georges
    12 min
  • 4
    Walk to RER station
    Walk to RER station
    Villeneuve-Saint-Georges
    30 m • 1 min
  • 5
    RER - D
    Wait for RER
    D
    Stade de France Saint-Denis
  • 6
    Ride to RER station
    Ride to RER station
    Gare de Lyon
    19 min
  • 7
    RER - A
    Wait for RER
    A
    Poissy
  • 8
    Ride to RER station Poissy
    Ride to RER station
    Poissy
    37 min
*Duration based on 8am traffic

Alternative route from Crosne to Poissy by RER and bus via 4115, D and A

To get from Crosne to Poissy in Paris, you’ll need to take one bus line and 2 RER lines: take the 4115 bus from Boileau station to Gare de Montgeron - Crosne station. Next, you’ll have to switch to the D RER and finally take the A RER from Gare de Lyon station to Poissy station. The total trip duration for this route is approximately 1 hr 52 min. The RER and bus schedule from Crosne may change. We recommend you check the updated RER and bus schedule to Poissy on the Moovit app.

112min
Walk to bus station
Bus - 41154115
RER - D
RER - D
RER - A
RER - A
Leaves from Boileau

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Boileau
    10 m • 1 min
  • 2
    Bus - 41154115
    Wait for bus
    4115
    Gare de Vigneux-Sur-Seine
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Montgeron - Crosne
    5 min
  • 4
    Walk to RER station
    Walk to RER station
    Montgeron - Crosne
    40 m • 1 min
  • 5
    RER - D
    Wait for RER
    D
    Gare de Lyon
  • 6
    Ride to RER station
    Ride to RER station
    Gare de Lyon
    22 min
  • 7
    RER - A
    Wait for RER
    A
    Poissy
  • 8
    Ride to RER station Poissy
    Ride to RER station
    Poissy
    37 min
*Duration based on 8am traffic
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Public transit directions from Crosne to Poissy

The distance between Crosne, Paris and Poissy, Paris is approximately 47.4 km, which can typically be travelled in 96 min. Moovit will show you the directions from Crosne to Poissy by RER and bus, so no matter how you choose to travel in Paris – you will always have plenty of easy options.

RER And Bus schedule from Crosne to Poissy

To check the RER and bus schedule from Crosne to Poissy using the Moovit app, first download and open the app on your smartphone. Enter your starting point (Crosne) and destination (Poissy), then select the desired date and time of travel. Moovit will show all available RER and bus routes, estimated travel times, and any required transfers. You can view detailed departure and arrival times for each RER and bus, as well as real-time updates for delays or changes. Use this information to plan your trip and stay up to date with the latest RER and bus schedules.

Related Routes

Alternative route from Crosne to Poissy by RER and bus via 4115, D and A

To get from Crosne to Poissy in Paris, you’ll need to take one bus line and 2 RER lines: take the 4115 bus from Boileau station to Gare de Montgeron - Crosne station. Next, you’ll have to switch to the D RER and finally take the A RER from Gare de Lyon station to Poissy station. The total trip duration for this route is approximately 1 hr 52 min. The RER and bus schedule from Crosne may change. We recommend you check the updated RER and bus schedule to Poissy on the Moovit app.

112min
Walk to bus station
Bus - 41154115
RER - D
RER - D
RER - A
RER - A
Leaves from Boileau

Step by Step

  • 1
    Walk to bus station
    Walk to bus station
    Boileau
    10 m • 1 min
  • 2
    Bus - 41154115
    Wait for bus
    4115
    Gare de Vigneux-Sur-Seine
  • 3
    Ride to bus station
    Ride to bus station
    Gare de Montgeron - Crosne
    5 min
  • 4
    Walk to RER station
    Walk to RER station
    Montgeron - Crosne
    40 m • 1 min
  • 5
    RER - D
    Wait for RER
    D
    Gare de Lyon
  • 6
    Ride to RER station
    Ride to RER station
    Gare de Lyon
    22 min
  • 7
    RER - A
    Wait for RER
    A
    Poissy
  • 8
    Ride to RER station Poissy
    Ride to RER station
    Poissy
    37 min
*Duration based on 8am traffic

Questions & Answers

  • What is the fastest way to get from Crosne to Poissy?

    The fastest way takes 96 minutes, using Bus line 450, RER line D, RER line A.

  • What is the alternative route to get from Crosne to Poissy?

    The alternative route takes 112 minutes, using Bus line 4115, RER line D, RER line A.

  • Is there a direct bus between Crosne and Poissy in Paris?

    No, you’ll have to take one bus line and 2 RER lines in total. The total travelling time is 1 hr 36 min.

  • Which bus line goes from Crosne to Poissy in Paris?

    The 450 bus line goes from Boileau station near Crosne to Créteil - L'Échat station. From there you’ll have to take 2 RER lines till Créteil - L'Échat station near Poissy in Paris.

  • How long does it take to travel from Crosne to Poissy in Paris by bus and RER?

    The total travel time between Crosne and Poissy in Paris by bus and RER is about 1 hr 36 min.

  • Where do I get on the bus near Crosne to get to Poissy in Paris?

    Get on the 450 bus from the Boileau stop near Crosne in Paris.

  • Where do I get off the bus when travelling between Crosne and Poissy in Paris?

    Get off the bus at the Créteil - L'Échat station, which is closest to Poissy in Paris.

Popular Routes