Overview

The Voyager family is a group of high-speed diesel-electric multiple units built by Bombardier Transportation for intercity passenger services on the railway network of Great Britain. Introduced in the late 1990s and early 2000s, these sets were intended to replace older locomotive-hauled coaching stock on long-distance routes and to provide faster acceleration, simpler timetabling and flexible train formations.

Design and propulsion

Voyager units are diesel-electric multiple units (DEMUs) with underfloor diesel engines driving electrical traction motors. Traction is distributed across the set rather than concentrated in a separate locomotive, which improves acceleration and operational flexibility. The family was designed for a service speed of around 125 mph (200 km/h) where infrastructure permits. Some variants incorporate tilt mechanisms to allow higher speeds on curving routes without extensive track modifications.

Variants

  • Class 220 (Voyager): non-tilting units, commonly formed of four or five cars and used on cross-country services.
  • Class 221 (Super Voyager): similar mechanical layout to the Class 220 but fitted with a tilting system on many sets to preserve higher speeds on curved main lines.
  • Class 222 (Meridian): a related design with different interior arrangements and performance tuning intended for specific intercity services; formations vary by operator requirements.

History and operators

Built for a period of industry change and franchise reorganisation, Voyager family trains entered service with a number of train operating companies. Examples of operators that have used these units include First Hull Trains, East Midlands Trains, Virgin Trains and CrossCountry. Franchise names and ownership have changed over time; some names above refer to historical or predecessor companies under which particular sets were introduced.

Operation, comfort and refurbishment

Inside, Voyager sets were arranged for medium- to long-distance travel with a mix of standard and first-class accommodation, accessible toilets and catering facilities on many services. Over their service lives operators have carried out refurbishment programmes addressing seating, passenger information systems, accessibility modifications and reliability improvements. Maintenance regimes and overhauls have been tailored to the demands of high-mileage intercity operation.

Role and legacy

The Voyager family has played a prominent role on routes where full electrification was absent or incomplete, offering express performance without needing a separate locomotive. Their introduction reflected a wider shift toward self-powered multiple units for intercity duties. As network electrification and newer rolling stock enter service, some Voyagers have been cascaded to different routes or remain in traffic after refurbishment; their long-term disposition depends on fleet planning and infrastructure changes.

For an overview of current allocations and operator details see the compiled operators and allocations overview. The informal name "Voyager" is commonly used to describe this related group of classes rather than a single manufacturer product code.