# Transilien Line P

Transilien Line P is a railway line of the Paris Transilien suburban rail network. The trains on this line travel between Gare de l'Est in central Paris and the east of Île-de-France region. Transilien services from Paris-Est are part of the SNCF Gare de l'Est rail network. They have a total of 83,000 passengers per weekday.
The first sections of the Paris-Est network opened on 3 January 1849, they were reorganized into Transilien Line P on 31 December 2004.

## Stations served
### Meaux line

* Paris-Est
* Chelles – Gournay Station
* Vaires – Torcy Station
* Lagny – Thorigny Station
* Esbly Station
* Meaux Station

### Château-Thierry line

* Paris-Est
* Meaux Station
* Trilport Station
* Changis-Saint-Jean Station
* La Ferté-sous-Jouarre Station
* Nanteuil – Saâcy Station
* Nogent-l'Artaud – Charly Station
* Chézy-sur-Marne Station
* Château-Thierry Station

### La Ferté-Milon line

* Paris-Est
* Meaux Station
* Trilport Station
* Isles – Armentières – Congis Station
* Lizy-sur-Ourcq Station
* Crouy-sur-Ourcq Station
* Mareuil-sur-Ourcq Station
* La Ferté-Milon Station

### Crécy-la-Chapelle line

* Esbly Station
* Montry – Condé Station
* Couilly – Saint-Germain – Quincy Station
* Villiers – Montbarbin Station
* Crécy-la-Chapelle Station

### Coulommiers line

* Paris-Est
* Tournan Station
* Marles-en-Brie Station
* Mortcerf Station
* Guérard – La Celle-sur-Morin Station
* Faremoutiers – Pommeuse Station
* Mouroux Station
* Coulommiers Station

### Provins line

* Paris-Est
* Verneuil-l'Étang Station
* Mormant Station
* Nangis Station
* Longueville Station
* Sainte-Colombe – Septveilles Station
* Champbenoist – Poigny Station
* Provins Station

## Services

Line P is operated by the six following services:
* Paris-Est – Meaux
* Paris-Est – Meaux – Château-Thierry
* Paris-Est – Meaux – La Ferté-Milon
* Esbly – Crécy-la-Chapelle
* Paris-Est – Coulommiers
* Paris-Est – Provins
Line P uses a four-letter mission coding system. Only in the section between Paris-Est and Chateau-Thierry the trains display the mission code; otherwise they only appear on passenger information display systems and on timetables.
Line P mission code structure :
| First letter (destination) | Second letter (type of service) | Third letter (station of origin or serviced stops) | Fourth letter (axis) |
| C = Coulommiers E = Esbly F = La Ferté-Milon M = Meaux P = Paris-Est R = Crécy-la-Chapelle X = Provins Z = Château-Thierry | I = Express Express between Paris-Est and Chelles-Gournay (for services to Meaux) Express between Paris-Est and Meaux (for services to Château-Thierry) Express between Paris-Est and Tournan (for services to Coulommiers) Express between Paris-Est and Verneuil-l'Étang (for services to Provins) I = Line between Esbly and Crécy-la-Chapelle O = All stops | If the second letter is an 'O': C = Coulommiers F = La Ferté-Milon M = Meaux P = Paris-Est X = Provins Z = Château-Thierry If the second letter is an 'I': B = All stops from Verneuil l’Etang C = All stops from Chelles – Gournay L = All stops from Lagny-Thorigny L = All stops from Lizy-sur-Ourcq M = All stops from Meaux T = All stops from Tournan Special exceptions exist for Esbly – Crecy, even though the second letter is an 'I': C = All stops on the line between Esbly and Crécy-la-Chapelle M = Limited stops on the line between Esbly and Crécy-la-Chapelle | E = Esbly – Crécy-la-Chapelle I = Paris – Meaux O = Paris – Château-Thierry / La Ferté-Milon U = Paris – Provins / Coulommiers |
Table of mission codes as of 2024 :
| Destination | Mission codes |
| Coulommiers | CITU |
| Esbly | EICE, EIME |
| La Ferté-Milon | FIMO, FOMO |
| Meaux | MICI, MOFO |
| Paris-Est | PIBU, PICI, PIMO, PITU |
| Crécy-la-Chapelle | RICE, RIME |
| Provins | XIBU |
| Château-Thierry | ZIMO |
NOTE: EICE, EIME, RICE and RIME are mission codes used for the line/axis between Esbly and Crécy-la-Chapelle.

## Rolling stock
### Current Fleet

| Type | Image | Type | Top speed | Top speed | Number | Cars | Routes operated |
| Type | Image | Type | mph | km/h | Number | Cars | Routes operated |
| B 82500 | | DEMU | 100 | 160 | 26 | 4 | Paris-Est – La Ferté Milon Meaux – La Ferté Milon |
| U 56600 | | Tram train | 62 | 100 | 15 (shared pool) | 5 | Esbly – Crécy la Chapelle |
| Z 20500 | | EMU | 86 | 140 | 21 | 4 | Paris-Est – Château-Thierry Paris-Est – Meaux |
| Z 50000 | | EMU | 86 | 140 | 63 (shared pool) | 8 | Paris-Est – Meaux Paris-Est – Coulommiers Paris-Est – Provins |

### Past fleet

| Type | Image | Type | Top speed | Top speed | Cars | Routes operated |
| Type | Image | Type | mph | km/h | Cars | Routes operated |
| BB 67400 | | Diesel locomotive | 86 | 140 | – | Paris-Est – La Ferté Milon (coupled with the RIB Cars) |
| BB 17000 | | Electric locomotive | 86 | 140 | – | Paris-Est – Meaux (coupled with the RIB Cars) Paris-Est – Coulommiers (coupled with the RIB Cars) |
| RIB | | Commuter car | 86 | 140 | 4 | Paris-Est – Meaux (coupled with the BB 17000) Paris-Est – Coulommiers (coupled with the BB 17000) Paris-Est – La Ferté Milon (coupled with the BB 67000) |