Analysis and impact of improved M8 journey times: FOI release

Please can I have a copy of the analysis mentioned in the following link which looked at the improved journey times: M8 journeys cut by 20 minutes

Also, can I have a copy of the report or workings of how you arrived at the £1bn figure as per:

"The journey time savings have been assessed as contributing more than £1bn to Scotland's economy"

Full response and associated documentation available at:

Published Date 13 Dec 2017 Subject Projects Mode of transport