Structure
Heathrow Connect has a complex operating structure. The rolling stock and on-board staff are supplied by BAA through the Heathrow Express company. For the portion of the journey between Paddington and Hayes & Harlington, these are leased to First Great Western and the service is classed as being "operated" by the latter. Between Hayes & Harlington and Airport Junction, it runs using open-access rights obtained by Heathrow Express. Beyond Airport Junction the track is owned by BAA.
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