Cologne Hbf to Frankfurt (Main) Hbf train with Deutsche Bahn (ICE,RE,IC,RB,EC)

Deutsche Bahn (DB) is Germany’s main train operator, running around 40,000 domestic and international services each day. Its fleet includes a variety of train types: high-speed ICE (Intercity Express) trains, reaching up to 300 km/h; IC (Intercity) and EC (EuroCity) trains for long-distance travel; and IRE (Interregio-Express), RE (Regional Express), and RB (Regionalbahn) services for regional and local connections. While bathrooms are standard on all trains, amenities such as onboard restaurants and free Wi-Fi are available only on certain train types and routes. DB offers a wide range of fares, including Super Saver, Saver, and Flexible tickets, along with discount cards like the BahnCard 25, 50, and 100. Additional options include single tickets, day tickets, and group tickets. Popular routes include Berlin–Munich, Hamburg–Frankfurt, Cologne–Stuttgart, Berlin–Dresden, and Hamburg–Cologne, as well as numerous regional services across Germany.

Hessische Landesbahn (HLB) is a regional transport company owned by the German state of Hesse, headquartered in Frankfurt am Main. It provides extensive bus and rail passenger transport services within Hesse and extends its operations into neighboring states like Bavaria, Lower Saxony, North Rhine-Westphalia, Rhineland-Palatinate, and Thuringia. HLB operates as a holding company with subsidiaries managing rail services (HLB Hessenbahn GmbH), bus services (HLB Hessenbus GmbH), and infrastructure/vehicle resources (HLB Basis AG). Their diverse fleet includes modern train types such as Stadler FLIRT, Alstom LINT, and Coradia Continental trains. Tickets from Deutsche Bahn are also valid on HLB trains.

VIAS Rail GmbH is a German rail service company based in Frankfurt, operating passenger rail services in the states of Hesse, Rhineland-Palatinate, and North Rhine-Westphalia. The name \VIAS\" is derived from the Latin word \"via\" (way) and \"S\" for service. VIAS Rail GmbH operates numerous regional train lines, including services on the Odenwald Railway network and lines in the Rhein-Main Gebiet. They utilize various train types, such as Bombardier Itino and Stadler FLIRT vehicles. The company is a subsidiary of the RATH Group."

National Express is the UK’s leading long-distance coach company, operating over 550 services per day and serving more than 900 destinations nationwide. It also runs frequent services to major UK airports — including Heathrow, Gatwick, Stansted, Luton, and Bristol — 24 hours a day. All National Express coaches are air-conditioned and offer free Wi-Fi and onboard entertainment. Most vehicles are equipped with seat belts and power outlets at every seat, allowing you to charge your phone or laptop during your journey. Ticket options include Restricted Fare, Standard Fare, and Fully Flexible Fare, with the latter providing maximum flexibility for cancellations or changes.