Road speed changes from 30mph to 20mph

Provide the following for the past 10 years: names of hamlets, villages, towns or a city that has any road changed from a 30 mile per hour restriction to a 20 mile per hour restriction.

The date on which the changes were made

Refer to Road Speed changes for this detail

The road name for each change that was made 

The roads included with each scheme can be found in the adverts for the traffic regulation orders

The decision or reason why these changes were made

The statement of reasons for each scheme can be found in the link provided in the above question, adverts for the traffic regulation orders

The name of the person/board or committee who approved each change of each speed restriction

Refer to the link provided in the first question Road Speed changes for this detail