Yeah, that’s confusing! Reminders come one per day (for as many lead days as you specify) until the emergency day, then they start zenoing – coming more and more frequently until they’re minutes apart. Or until you dispatch the beemergency.
As for making goals red and sorting to the top before the actual emergency day, I don’t think there’s any fancy solution involving road width, which would be a bad long-term solution anyway since we have big plans to overhaul everything related to road width.
I think the only solution is something involving the nascent tagging feature: