SNCF: SNCF provides schedules, train information, traffic data, and services. You can plan your journey or route on your chosen day.
RATP: RATP offers schedules, maps, and information about public transportation in Paris and the Île-de-France region, including metro, RER, buses, and trams. The site also provides information on traffic disruptions. RATP Group (Régie autonome des transports parisiens) is a state-owned company in France that operates public transport. In the 20th century, RATP focused on providing various modes of transportation for the capital, such as the Paris Metro, Île-de-France tram, the RATP bus network, and part of the regional express rail network (RER).
NAVITIME Transit: NAVITIME Transit is a journey planning application that provides schedules and route information for France’s public transportation.
These services offer real-time information on public transport schedules, delays, and route changes, making travel easier and smoother.
Here is the information about night train services to Paris: Night train to Paris: schedule and connections (nachtzug.net)
This link has a very comprehensive explanation of bus transport in France. Interrail ticket:
Railcc states that the Interrail ticket is valid on the following trains operated by SNCF: TGV, Intercités, TER, as well as Thalys and Eurostar trains.
Discounts are available on Thello trains.
The ticket is not valid on CFC, CP, Ouigon, Izy, idTGV, or Intercités 100% econ trains.
I recommend this: Interrail travel in France and from France to other countries can be complex. Seat61 provides detailed information about it
SNCF: The app
Mobile app – SNCF Connect (sncf-connect.com)
Bonjour RATP: This is the official public transport service for Paris and the entire Île-de-France area. It covers buses, the metro, RER trains, trams, Transilien trains, and Noctilien night buses.
*Île-de-France is one of the 26 administrative regions of France. Its capital is Paris. The region consists of the Paris metropolitan area and spans over 12,000 square kilometers.
More than 12 million people live in Île-de-France. The area covers only about 2% of France’s land area, but its population accounts for nearly one-fifth of the entire country’s population.
Here are some websites:
SNCF (Société nationale des chemins de fer français) is a state-owned company that operates most long-distance trains and other modes of interregional transport.
The following cities have a metro system:
Paris, Lyon, Lille, Marseille, Rennes, Toulouse.
The area of France is approximately 643,801 square kilometers, including its overseas regions. The population is about 67.5 million.
Mainland France, or France métropolitaine, has an area of about 551,500 square kilometers. The population is approximately 65.3 million.
In central Paris (Commune de Paris), there are about 2.1 million residents, and nearly 12 million people in the entire Île-de-France region.
French overseas territories (French: France d’outre-mer) are located around the world and are part of the French Republic. These territories are part of France but are situated far from mainland France. They belong to the European Union but not to the Schengen Area.
Marseille: A port city located in southern France, with a population of about 870,000. Lyon: A city in central France, home to approximately 520,000 people.
Guadeloupe and Martinique in the Caribbean Sea, French Guiana on the northeastern coast of South America, Réunion and Mayotte in the Indian Ocean, French Polynesia in the South Pacific, New Caledonia in the South Pacific, Saint-Pierre and Miquelon in the North Atlantic, Wallis and Futuna in the South Pacific, Saint-Barthélemy and Saint-Martin in the Caribbean Sea.
Northern France experiences steady rainfall year-round due to westerly winds, while Southern France sees most of its rain during the cooler winter months.