Regional rail

Regional rail is passenger train service connecting cities and towns across a region, typically serving more destinations and operating beyond peak commuting hours.

Regional railway: A railway network or operating system serving travel within a broad geographic region. Regional rail depends on networks that connect multiple towns and cities.
Commuter rail: Passenger rail primarily designed to carry commuters between suburbs and employment centers, often concentrated in peak periods. Regional rail generally aims for broader coverage and service throughout the day.
Public transport: Passenger transport services available for shared use, typically operating on fixed routes or schedules. Regional rail is one mode within a wider public transport system.
Regional-Express: A German passenger train category providing regional service with limited stops between local trains and intercity trains. It exemplifies faster regional journeys alongside more frequently stopping local services.
Railway electrification: The use of electric power to propel trains through overhead wires, a third rail, or onboard equipment. Electrification can support frequent service and reduce local emissions on regional routes.
Intercity rail: Passenger train service linking cities over longer distances, usually with fewer stops than regional services. Regional rail typically serves shorter trips and more intermediate communities.
Transit-oriented development: Compact, mixed-use development focused around public transport stations and services. Regional stations can anchor denser communities and reduce dependence on driving.
TER: France's regional public rail service, organized by the country's regions. TER illustrates regional governments' role in specifying and funding train services.
Railway signalling: Systems that control train movements and maintain safe separation on railway lines. Signalling capacity constrains how often regional trains can share busy tracks.
High-speed rail: Passenger rail using purpose-built or upgraded infrastructure for sustained high speeds between major destinations. Regional trains prioritize access and stop frequency over high-speed intercity travel.

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