London Buses route 173 is a Transport for London contracted bus route in London, England. Running between King George Hospital and Beckton, it is operated by Arriva London.
Route 173 commenced operating on 16 June 1973 between POPLAR Blackwall Tunnel and BECONTREE HEATH as a Monday to Saturday route. Initially operated from Upton Park (u) garage using Daimler Fleetlines.
In 1978, the route was withdrawn between Canning Town and Poplar, the Ford Works spur was withdrawn and the allocation was transferred to Poplar (PR) garage.
In June 1979, the route was converted to single deck using Leyland Nationals.
In September 1979, the route was extended from Canning Town to Stratford via West Ham Station.
In 1981, the allocation was transferred to West Ham (WH) garage.
In 1983, the route was re-routed between Newham Way and Stratford via Route 262 instead of Canning Town and Manor Way, a Sunday service was introduced between Stratford and East Beckton and the route was converted to double deck operation using Leyland Titans. The Sunday was withdrawn in 1985.
In 1987, the route passed to Grey Green operating from their Barking (DX) garage.
In March 1993, the route was extended from Becontree Heath to Little Heath and a Sunday service was re-introduced between East Beckton and Little Heath.
In June 1993, the route was extended from Little Heath to King George's Hospital.
In September 1993, the route was withdrawn between East Beckton and Stratford, converted from double deck to midibus operation and the Stratford to Greengate section replaced by new Route 473 between Stratford and North Woolwich.
In 2000, the route was converted to low floor using Plaxton Pointer 2 bodied Dennis Dart SLFs.
In 2005, the route was retained by Arriva London.
In 2008, the route was rerouted to Beckton Station,
In 2010, the route was retained by Arriva London with brand new Alexander Dennis Enviro200 Darts introduced.
- King George Hospital
- Little Heath
- Chadwell Heath
- Becontree Heath
- Dagenham Heathway Station
- Beckton Bus Station