An elevated view of ex-London Transport AEC Routemaster No RM9 VLT 9 en route to the Showbus rally as seen here on the A505 facing east. 27th September 2009.

An elevated view of ex-London Transport Leyland Titan No T684 OHV 684Y en route to the Showbus rally as seen here on the A505 facing east. 27th September 2009.

An elevated view of a Dennis Enviro 400 from Hedingham Omnibuses en route to the Showbus rally. This vehicle is L355 EU07 GUY with an H47/33F Alexander body. 27th September 2009.

Another ex-London Transport Leyland Titan seen here en route to the Showbus rally as seen here on the A505. This vehicle is T1101 B101 WUV with an H47/23D Park Royal body. 27th September 2009.

En route to the Showbus rally is ex-London Transport AEC Routemaster No RM2217 CUV 217C with an H36/28R Park Royal body seen here on the A505 facing east. 27th September 2009.

Ex-London Transport AEC Routemaster No RM1403 (403 CLT) seen here as an open topper at Duxford air field. 27th September 2009.

An offside view of ex-London Transport AEC Routemaster No RM1403 (403 CLT) at the Duxford 2009 Showbus rally. 27th September 2009.

A frontal view of ex-Birmingham City Transport Leyland Tiger PS2 No 2245 JOJ 245 with B34F Metro-Cammell body. This vehicle is currently owned by the Acocks Green Bus Preservation Society. 27th September 2009.

The front and nearside view of ex-West Midlands PTE No 4738 JOV 738P which is a Volvo Ailsa B55 with an H47/32F Alexander body. This vehicle was entered by The 4738 Group for the event. 27th September 2009.

The 1000th AEC Routemaster for London Transport to come off the production line at the Park Royal coachworks was RM1000 100 BXL, and is seen here on display. This bus is a standard length (27ft) vehicle with an H36/28R configuration, and was entered by the RM1000 Preservation Group for this event. 27th September 2009.

A nearside view of ex-London Transport AEC Routemaster No RM1000 (100 BXL) with an H36/28R Park Royal body. 27th September 2009.

This vehicle was entered by the Gifford Transport Group for this event. It is a Seddon Pennine IV with an Alexander B53F body which was new to Eastern Scottish in 1978, and carried the fleet No S847A ESC 847S. 27th September 2009.

In the line-up here from left to right is Chesterfield Corporation No 93 ENU 93H which is a Leyland Panther with a B49D Northern Counties body, Eastern Counties No LM452 (3014 AH) which is a 1958 Bristol MW5G with an ECW B45F body and, Eastern Scottish No S847A ESC 847S which is a Seddon Pennine IV with an Alexander B53F body. 27th September 2009.

A front and offside view of London Transport AEC Routemaster No RM1000 (100 BXL) seen here outside Hanger No4 at Duxford. 27th September 2009.

A frontal view of Eastern Counties No LM452 (3014 AH) which is a Bristol MW5G with an ECW B45F body seen here outside Hanger No 4 at Duxford. 27th September 2009.

The nearside view of London Transport AEC Routemaster No RM5 VLT 5 which was entered by Arriva London for this event. 27th September 2009.

This vehicle was entered by Tony Broyden. Maidstone and District No S6 BKT 821C is a 1965 AEC Reliance with a B53F Marshall body. 27th September 2009.

A frontal view of ex-London Transport AEC Routemaster No RML2360 CUV 360C which was entered by Arriva London. 27th September 2009.

A front and nearside view of ex-London Transport AEC Routemaster No RML2360 CUV 360C with an H40/32R Park Royal body which was entered by Arriva London. 27th September 2009.

Entered by Rob Knight was this 1980s Leyland National 2 with a B49F Leyland body. The vehicle was part of the United Counties division of the National Group, and was numbered 587 SVV 587W. 27th September 2009.

The rear and nearside view of United Counties Leyland National No 587 SVV 587W seen here at the Showbus rally. 27th September 2009.

Entered by Mick Rolley was this Bristol FS5G with an ECW H33/27RD body. The vehicle is Lincolnshire No 2378 OVL 473, and is seen here at Duxford air field during the Showbus rally. 27th September 2009.

A rear and nearside view of London Transport AEC Routemaster No RML2272 CUV 272C seen here in the London Transport section of the site at Duxford during the Showbus rally. 27th September 2009.

A front and nearside view of London Transport AEC Routemaster No RML2272 CUV 272C seen here in the London Transport section of the site at Duxford during the Showbus rally. 27th September 2009.