A recent finding by the controller estimates that reopening the Great Highway to cars would come with a significant price tag. The cost is expected to be around $20 million over a period of five years. This estimate includes the expenses associated with dismantling Sunset Dunes.

Additionally, it covers the cost of reopening the road to traffic on weekdays. Further details on this estimate can be found through The San Francisco Standard, which reported on the controller's finding. The estimate provides some insight into the potential costs of reopening the Great Highway to cars, although full details are available from the original source.