It made Alyn and Deeside the constituency in Wales with the most people to have signed the petition. The petition had been signed by over 270,000 people at the time - making it by far the most signed in Senedd history. They wanted to see more “targeted measures” rather than the introduction of the default speed limit with exemptions, and likened it to the ultra low emission zone (ULEZ) in London. It is a default speed limit, which is not the same as a blanket ban. He added: “It is a default 20mph speed limit, and then local authorities have the ability, and all local authorities have exercised this ability, to set other speed limits.