London Buses route 521

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**521**

Management
Operated by	London General
Garage	Waterloo (RA)
Vehicle	Mercedes-Benz O530 Citaro
Peak vehicle requirement	19
Route
Start	Waterloo
Via	Holborn St Paul's Cannon Street
End	London Bridge
Length	5 miles (3 km)
Service
Level	Weekdays (6:40am until 7.30pm)
Frequency	About every 4-10 minutes
Journey time	21-33 minutes
Night	none
Transport for London • Performance (PDF)

London Buses route 521 is a Transport for London contracted bus route in London, United Kingdom. The service is currently contracted to London General.

1 History
2 Current route
- 2.1 Route departing Waterloo
- 2.2 Route departing London Bridge
3 Gallery
4 See also
5 External links

[edit] History

The 521 is one of two Red Arrow routes, the other being route 507, to survive.

Routes 507 and 521 were the first London Bus Routes to be converted to articulated, or bendy, buses on 2 June 2002, from the ageing Leyland National single deckers. At peak times Route 521 runs via Strand Underpass rather than Aldwych, making double deck operation impossible, along with the fact that many passengers are short distance travallers and unlikley to use the top deck. Being commuter routes, and so little used outside peak times, these routes were suitible to test the bendy buses suitability in London and providing extra capacity in a single deck form.

During late 2003, early 2004, a series of onboard fires on newly delivered Mercedes-Benz Citaros led to withdrawal of the entire fleet, while Mercedes-Benz made some modifications. During this period limited services operated using a variety of different buses on route 507 and 521. [1]