Mark Williams on the Rails Filming Locations

Bristol is a city straddling the River Avon in the southwest of England with a prosperous maritime history. Its former city-centre port is now a cultural hub, the Harbourside, where the M Shed museum explores local social and industrial heritage. The harbour's 19th-century warehouses now contain restaurants, shops and cultural institutions such as contemporary art gallery The Arnolfini.

London, the capital of England and the United Kingdom, is a 21st-century city with history stretching back to Roman times. At its centre stand the imposing Houses of Parliament, the iconic ‘Big Ben’ clock tower and Westminster Abbey, site of British monarch coronations. Across the Thames River, the London Eye observation wheel provides panoramic views of the South Bank cultural complex, and the entire city.

Maidenhead is a market town in the Royal Borough of Windsor and Maidenhead in the county of Berkshire, England, on the southwestern bank of the River Thames. In the 2021 Census, it had an estimated population of 70,374 and forms part of the border with southern Buckinghamshire.

Paddington is an area in the City of Westminster, in central London, England. A medieval parish then a metropolitan borough, it was integrated with Westminster and Greater London in 1965. Paddington station, designed by the engineer Isambard Kingdom Brunel opened in 1847.