Speed limit signs - Know your traffic signs

Taken from https://www.gov.uk/government/publications/know-your-traffic-signs/speed-limit-signs, with very obvious ones omitted.

Speed limit in areas of street lighting other than on motorways or if signs say otherwise

30mph

20mph in Wales

National speed limit for the road and class of traffic applies

Start of motorway regulations

National speed limit applies, unless a different speed limit is assigned.

End of road works and any temporary speed limit through these works

Reminder that (speed) enforcement cameras are in use.

Maximum speed limit advised for a turn

(Triangle sign = advisory, not enforced)

Minimum 30mph speed permitted (unless impracticable or unsafe)

End of minimum speed requirement