The Automobile Association, which is now more commonly known as the AA was formed in London on the 29th June 1905 and believe it or not was a club originally formed to avoid speed traps.
Since then like the RAC, the AA has been at the forefront of motoring development. Even as early as 1906 the AA was erecting warning signs for motorists and by 1918 had 83,000 members.
The AA had responsibility for the signs until the 1930