n an effort to improve mobility on most of Miami-Dade’s expressways, the Miami-Dade Expressway Authority (MDX) is now offering free Road Rangers service that assists stranded motorists on a 24 hour and seven-day a week basis. MDX is committed to moving Miami-Dade along and improving motorists commute as they use the agency’s five roadways (State Roads 924, 836, 12, 878 and 874). The Road Rangers help maintain mobility on...