That should be just about enough police presence to keep the crosswalk safe. The road was shut down for Festival '09, but you never know when a rogue bicyclist or something is going to need arresting.
These days, these guys would be considered fit! Americans are getting bigger and bigger.... If you can get your cops to put on some weight, you'd have more cop but no more payroll. You should start a donut shop near the cop shop. ;-)