The South West Main Line is a key railway route in the United Kingdom, connecting London to Exeter. It runs through several important towns and cities, including Basingstoke, Salisbury, and Tiverton. The line is primarily used for passenger services, facilitating travel between the capital and the South West region. Operated by South Western Railway, the South West Main Line is vital for both commuters and tourists. It offers direct services to popular destinations, such as the Jurassic Coast and Dartmoor National Park, making it an essential part of the UK's transport infrastructure.