London Buses route 117

London Buses route 117 is a Transport for London contracted bus route in London and Surrey, England. Running between West Middlesex University Hospital and Staines-upon-Thames, it is operated by First Bus London.

117
RATP Dev Transit London Mercedes-Benz O530 Citaro K in Hounslow
Overview
Operator	First Bus London
Garage	Hounslow
Route
Start	West Middlesex University Hospital
Via	Isleworth Hounslow Feltham Ashford
End	Staines-upon-Thames

History

Metroline Plaxton Pointer 2 bodied Dennis Dart SLF at Staines bus station in September 2009

ComfortDelGro in the guise of Metroline bought out Armchair and absorbed them into the bus operation in January 2007 and the remainder of the contract was transferred to them to start from 6 January 2007. They did not however retain the contract when next awarded in September 2011 for 5 years, Abellio was the successful operator using a depot at Twickenham (TF).^[1] From October 2016 the contract was awarded to Metroline. It used Existing Buses as it's allocation.^[2]

On 28 February 2025, the route passed from London United to First Bus London following the acquisition of RATP Dev Transit London by FirstGroup.^[3]

Current route

Route 117 operates via these primary locations:^[4]

• West Middlesex University Hospital
• Isleworth station
• Hounslow bus station
• Hounslow Heath
• North Feltham
• Feltham station
• Lower Feltham
• Ashford station
• Staines station
• Staines-upon-Thames bus station