Editing Great Western Main Line (section)

==Services==
Services of three [[train operating companies]] use the line:

* [[Great Western Railway (train operating company)|Great Western Railway]] (GWR) operates most services:<ref>{{Cite web |title=Train Times |work=Great Western Railway |date=18 May 2025 |access-date=20 May 2025 |url= https://www.gwr.com/travel-information/train-times}}</ref>
** [[Inter-city rail|Inter-city]] trains run between London Paddington and Bristol Temple Meads, via Reading, Didcot Parkway, Swindon, Chippenham and Bath Spa; some services do not call at Didcot Parkway.
** Inter-city services between London Paddington – Cardiff Central operate every 30{{nbsp}}minutes, with hourly extensions to Swansea. At Swansea/Cardiff, there is a connecting [[Transport for Wales Rail|Transport for Wales]]' boat train to/from [[Fishguard Harbour railway station|Fishguard Harbour]] for the [[Stena Line]] ferry to [[Rosslare Europort]] in Ireland. An integrated timetable is offered between London Paddington and Rosslare Europort with through ticketing available.<ref>{{cite web |url = http://www.stenaline.ie/ferry/rail-and-sail/fishguard/ |title = Sail and Rail to Britain – Train and Ferry Travel to England & Wales – Stena Line |publisher = Stenaline.ie |access-date = 16 September 2013 |archive-url = https://web.archive.org/web/20131203005619/http://www.stenaline.ie/ferry/rail-and-sail/fishguard/ |archive-date = 3 December 2013 |url-status = dead |language = en}}</ref> Daytime and nocturnal journeys are offered in both directions daily.
** [[Heathrow Express]] trains from Paddington to [[London Heathrow Airport]], on behalf of [[Heathrow Airport Holdings]].<ref>{{Cite magazine |url=https://www.railwaygazette.com/gwr-to-manage-heathrow-express-service/46205.article |title=GWR to manage Heathrow Express service |magazine=Railway Gazette International |access-date=3 August 2024 |archive-date=3 June 2020 |archive-url=https://web.archive.org/web/20200603162618/https://www.railwaygazette.com/gwr-to-manage-heathrow-express-service/46205.article |url-status=live}}</ref>

* [[Elizabeth line]] services run on the Great Western Main Line between London and Reading.<ref>{{Cite web |title=Elizabeth line timetables |work=Transport for London |date=18 May 2025 |access-date=20 May 2025 |url= https://tfl.gov.uk/modes/elizabeth-line/elizabeth-line-timetables}}</ref>

* [[CrossCountry]] operates long-distance trains using the GWML between Reading and Didcot Parkway.<ref>{{Cite web |title=Train Timetables |work=CrossCountry |date=18 May 2025 |access-date=20 May 2025 |url= https://www.crosscountrytrains.co.uk/travel-updates-information/train-timetables}}</ref>