Lille to Rotterdam train with Eurostar

Eurostar is a high-speed international rail service connecting the UK with France, Belgium, the Netherlands, and Germany, primarily via the Channel Tunnel. Since merging with Thalys in October 2023, Eurostar now operates an expanded network across Western Europe. Known for its city-center to city-center travel, Eurostar offers a convenient and environmentally friendly alternative to flying. Passengers can enjoy amenities like complimentary Wi-Fi and power sockets at every seat. Key destinations include London, Paris, Brussels, Amsterdam, and Cologne, with seasonal services to other locations.

NS International, a subsidiary of the Dutch state-owned railway Nederlandse Spoorwegen (NS), operates international intercity and high-speed connections to various European cities, including Brussels. The "IC Brussel" refers to their Intercity service connecting the Netherlands and Belgium. These trains offer a direct and comfortable way to travel between major cities like Amsterdam and Brussels. As of late 2024, NS International, in collaboration with the Belgian railway company SNCB, is introducing new Intercity New Generation (ICNG) trains on the Brussels-Amsterdam route. These new trains are faster, reaching speeds of up to 200 km/h, and offer amenities like onboard Wi-Fi and power sockets. They aim to significantly reduce travel times and increase the frequency of services between the two countries.

SNCF's TGV INOUI is a premium high-speed train service operating across France and to other European cities. Launched in 2017, it aims to provide an enhanced travel experience with greater comfort, connectivity, and services compared to traditional TGV services. TGV INOUI trains offer features like adjustable seats, electrical outlets, fold-down tables, and dedicated luggage spaces. Passengers can enjoy onboard Wi-Fi and access to the TGV INOUI portal for entertainment and journey information. The service also includes a "Bistro TGV INOUI" for dining, with options for online ordering. SNCF is also introducing a new generation of TGV INOUI trains from 2026, which will be more modular, energy-efficient, and 97% recyclable.

The term "Regional" can refer to different train companies and services depending on the country. In Germany, "Regionalbahn" (RB) is a type of local passenger train that typically stops at all stations on a given line, connecting cities to their surrounding areas. Many RB trains are operated by DB Regio, a division of Deutsche Bahn, but other companies also run these services.