A monorail system like the one used at Walt Disney theme parks is the solution for Sandy Springs’ traffic woes and would be cheaper than MARTA, says the head of the city’s Planning Commission. Commission chair Lee Duncan says such a system could run from the City Springs redevelopment to MARTA stations and loop through Perimeter Center, reports Reporter Newspapers. “If Disney can move a hundred thousand people a day, we can do it, and compared to MARTA, the costs are marginal,” Duncan said…