What nails Johannesburg down as the fifth-worst city for driving? Apparently more than two-thirds of its drivers commute each day to work alone. Since carpooling is clearly not inspired in South Africa, Johannesburg earns itself a spot no the list. The traffic there is so bad, that one South Africa netizen came up with an anti-road-rage driving game that rewards you for staying calm, and deducts points for bad behavior. How clever.
