The following are a few examples of the LAYOUTS of most crcuits in the UK. For the beginner, it can help massively in determining just where the circuit goes.

Please note that the videos are being used simply to show a layout and not an example of how to drive that circuit or which lines to use.

Bedford Autodrome (GT)

http://www.youtube.com/watch?v=T5UPQg1UxfE - HD Video
http://www.youtube.com/watch?v=teCfu-DDQo8 - Caterham Onboard
http://www.youtube.com/watch?v=zp72HaXsLpU - Multi Camera 1080p HD SEN Layout (BMW 130i)
https://www.youtube.com/watch?v=D3g5l16sk2E - In Car Go Pro (Toyota Celica)

Revised Bedford GT Layout from Feb 2015

https://www.youtube.com/watch?v=XJ0V-7dNZJk - Incar Golf MK2 HD Video with Speed + Other gauges

Oulton Park (Full)

:

http://www.youtube.com/watch?v=lieb48nbW7U ==> Cirks - TVR450SE
http://www.youtube.com/watch?v=En-hBUc7Jbo
http://www.youtube.com/watch?v=zjE6YdqjH6k
http://www.youtube.com/watch?v=nJA33GPZs3U
http://www.youtube.com/watch?v=qnjTWf6W70c - Oulton International - Scottish Mini Cooper Cup car (VBox with GPS overlay)
https://youtu.be/7xzD0AOLtY8 - Oulton International - E30 M3 Sport Evo - Wet

Cadwell Park

http://www.youtube.com/watch?v=m6JCR2IKZ-M MX5, wet track
http://www.youtube.com/watch?v=1j5WQ4QGsCg
http://www.youtube.com/watch?v=WguzItBThxY
http://www.youtube.com/watch?v=km0pMnaJrPA (LoCaterfield lap from the rollbar - slightly better view)
http://www.youtube.com/watch?v=2tmga4FYnHs - Honda Elise, added 13.09.08 (inc telemetry overlay)
http://www.youtube.com/watch?v=gcPOYYT4V5w
http://www.youtube.com/watch?v=SNg616mPygk - Westfield. A good few years ago now

Knockhill

http://www.youtube.com/watch?v=7-LKnx-_Vxk - Private video, can't view
http://www.youtube.com/watch?v=Ro-zHV-Y5gw&fea... - Private video, can't view
http://www.youtube.com/watch?v=ll5lE5qNxGE
http://www.youtube.com/watch?v=NQYStpelEHI
http://www.youtube.com/watch?v=V5KFlcpZrOQ
http://www.youtube.com/watch?v=u6qpOp_taXk

Donington Park

http://www.youtube.com/watch?v=QAJDuFNqfnw [GP Circuit] Caterham 7 Roadsport
http://www.youtube.com/watch?v=kG_JiEG1vA0
http://www.youtube.com/watch?v=j-8nZJI_bLk&fea...
http://www.youtube.com/watch?v=mjEG85vEcow [National] Honda Elise, added 13.09.08 (inc Telemetry Overlay)
http://www.youtube.com/watch?v=Lh4mZ2xKjEY [National] 216bhp Durabang Caterham (+ telemetry overlay)

http://www.youtube.com/watch?v=_HQW0cg3Xcs [National NEW LAYOUT from Sept 2010 (HD + telemetry overlay)

Silverstone (GP)

http://www.youtube.com/watch?v=LIl0CGLI8sc [GP Circuit] Caterham 7 Roadsport
http://www.youtube.com/watch?v=4HVU39ZdVQs&fea...
http://www.youtube.com/watch?v=KuCvHeNZXNo
http://www.youtube.com/watch?v=X_p8LQDQd-8 Honda Elise, added 13.09.08 (inc Telemetry Overlay)

Silverstone NEW Stowe(2011)

http://www.youtube.com/watch?v=4coZ9RSjFqs Honda Elise + Telemetry

Silverstone International Circuit (2011 onwards)

http://www.youtube.com/watch?v=klmSZdZvTBU - MX5, added 27-July-2012 (inc Telemetry Overlay)

Brands Hatch

http://www.youtube.com/watch?v=MXmmEGDRLC4 (Indy)
http://www.youtube.com/watch?v=bYsPHgGseDI (Indy)
https://www.youtube.com/watch?v=3ug199_K4ko (Indy)
http://www.youtube.com/watch?v=ocLeGNFQYwE 720p HD BMW 130i(Indy)
http://www.youtube.com/watch?v=80AK-Puy0O0 (GP)
http://www.youtube.com/watch?v=caxyjtI7O_g (GP)
http://youtu.be/bUd8FU_LbUU (GP)

Snetterton (old circuit)

http://www.youtube.com/watch?v=Oc69IxuMofA
http://www.youtube.com/watch?v=JWRxEhpQ47Q (spins at the end)
http://www.youtube.com/watch?v=3VK7DG7cV_s Honda Elise, added 13.09.08 (inc Telemetry Overlay)
http://www.youtube.com/watch?v=HcmPQYpoYQk (Speedo is messed up sorry)

Snetterton 300 (new for 2011)

http://www.youtube.com/watch?v=Q2SXGyQHmnU

Anglesey

N.B - I believe the layout has changed recently so if someone could show the layout as it stands today, that would be a big help.

EDIT: There are 4 layouts now. The Porsche video is the National Circuit, 205 the Coastal and I've added a GP one in a Superlight.

GP - http://www.youtube.com/watch?v=Cyhg_3JOZoo
GP - http://www.youtube.com/watch?v=2yhyXls8UtA Caterham, very hot day, some traffic (includes a spin )
Coastal - http://www.youtube.com/watch?v=4q2plLlkppQ
National - http://www.youtube.com/watch?v=YNbyL57ZFvk
Club -

Anglesey Old circuit

http://www.youtube.com/watch?v=1tW-fEtxMqs

Castle Combe

http://www.youtube.com/watch?v=KMEKVRkp9So [Caterham 7 Roadsport B]
http://www.youtube.com/watch?v=6Kxof8wUsyw
http://www.youtube.com/watch?v=4Ww_i-5BaTA
http://www.youtube.com/watch?v=eXvKMd6b6WQ - Honda Elise, added 13.09.08 (inc Telemetry overlay)
http://www.youtube.com/watch?v=b8uNrSh9tcA - MR2 Roadster, added 13.09.08 (inc Telemetry overlay)

Goodwood

http://www.youtube.com/watch?v=_hlapJuu3zo
http://www.youtube.com/watch?v=iBY6DshGlkQ
http://www.youtube.com/watch?v=q_wNHm8u4Rc

Mallory Park

http://www.youtube.com/watch?v=bvffj9OwxAw
http://www.youtube.com/watch?v=kHyZsa6XNK4

Rockingham International Long

Image linked from Bookatrack website, hope Johnny doesn't mind

http://www.youtube.com/watch?v=V5bwFKPooyg

Rockingham Super Sports Car Circuit

http://www.youtube.com/watch?v=cBMIfGI3ZZ4 MX5 Racecar, added 13.09.08 (inc Telemetry overlay)
http://www.youtube.com/watch?v=aEDkupXoh3Y 1080p HD BMW 130i
https://www.youtube.com/watch?v=1r4ArWUVd4k Fiesta XR2i

Llandow

http://www.youtube.com/watch?v=bsvlv1dp6tk
http://www.youtube.com/watch?v=-U7p8UhrxQ8&con...

Croft

http://www.youtube.com/watch?v=nFAHWwjh8Iw
http://www.youtube.com/watch?v=v7O6p6pl7Xk
http://www.youtube.com/watch?v=GSUL637O0BQ
http://www.youtube.com/watch?v=CrGLBHeFbB4 Honda Elise, added 13.09.08 (inc Telemetry Overlay)
http://www.youtube.com/watch?v=dKGaEnzFI58

Kirkistown (N. Ireland)

https://youtu.be/MOv2w31Qrl8

Aintree, Liverpool

http://youtu.be/5sIfzlBBwY4

Blyton Park (Near Lincoln)

Long Track

http://www.youtube.com/watch?v=xCjrEpkGaGw

Short Track

http://www.youtube.com/watch?v=0FEEKNR2fRE

Woodbridge airfield

https://www.youtube.com/watch?v=tQ-fHeI_sLM