Transilien Line P

Line P
A B 82500 train operating on Transilien Line P at Provins.
Overview
Termini	Paris-Est Coulommiers Provins La Ferté-Milon Château-Thierry
Stations	32
Service
Type	Commuter rail
System	Transilien
Operator	SNCF
Depot	Noisy-le-Sec
Rolling stock	B 82500, Z 20500, Z 50000
History
Opened	3 January 1849 (1849-01-03)
Technical
Line length	242 km (150 mi)
Track gauge	1,435 mm (4 ft 8+1⁄2 in) standard gauge
Route map Paris-Est Chelles–Gournay Tournan Vaires–Torcy Marles-en-Brie Lagny–Thorigny Mortcerf Esbly Guérard–La Celle-sur-Morin Meaux Faremoutiers–Pommeuse Trilport Mouroux Coulommiers Verneuil-l'Étang Changis–Saint-Jean Mormant La-Ferté-sous-Jouarre Nangis Nanteuil–Saâcy Longueville Nogent-l'Artaud–Charly Sainte-Colombe–Septveilles Chézy-sur-Marne Champbenoist–Poigny Château-Thierry Provins Isles–Armentières–Congis Lisy-sur-Ourcq Crouy-sur-Ourcq Mareuil-sur-Ourcq La Ferté-Milon

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.

Translilien Line P formerly included a branch from Esbly to Crécy-la-Chapelle, operated as a self-contained service with tram-train vehicles. In 2025, this branch was administratively separated from Line P and rebranded as tramway line T14.

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

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 five following services:

• Paris-Est – Meaux
• Paris-Est – Meaux – Château-Thierry
• Paris-Est – Meaux – La Ferté-Milon
• 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 F = La Ferté-Milon M = Meaux P = Paris-Est 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) 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	I = Paris – Meaux O = Paris – Château-Thierry / La Ferté-Milon U = Paris – Provins / Coulommiers

Table of mission codes as of 2026

Destination	Mission codes
Coulommiers	CITU
La Ferté-Milon	FIMO, FOMO
Meaux	MICI, MOFO
Paris-Est	PIBU, PICI, PIMO, PITU
Provins	XIBU
Château-Thierry	ZIMO

Rolling stock

Current fleet

Type	Image	Type	Top speed		Number	Cars	Routes operated
			mph	km/h
B 82500		DEMU	100	160	26	4	Paris-Est – La Ferté Milon Meaux – La Ferté Milon
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		Cars	Routes operated
			mph	km/h
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)
U 25500		Tram train	62	100	5 articulated sections	Esbly – Crécy la Chapelle
U 56600		Tram train	62	100	5 articulated sections	Esbly – Crécy la Chapelle

See also

• List of Transilien stations