A90 road safety campaign finance: FOI release

Please tell me how much money Transport Scotland has spent on the A90 road safety campaign: http://a90road.info/

Please tell me when this campaign started, and how much has been spent in total per month.

In addition, please break down for me all the advertising methods that Transport Scotland has paid for as part of this campaign: Radio, TV, petrol pumps, bus shelters etc, and tell me how much Transport Scotland has spent on each of these advertising methods.