The adult cash fare for fixed routes is US$2 or $0.5 for all others, which includes 4-hour pass, if needed. The fare for "park-and-ride" express routes is $2.5, and $1 for children 6-17, seniors, disabled/Medicare. SMART also offers 31-day passes for each of the above fare categories, and a regional monthly pass, permitting unlimited rides on both SMART and DDOT for $49.50. Kids below tall pay no fare with fare-paying rider; limit 3. When transferring to higher-cost service, the difference must be paid. A 24-Hour pass is $5 or $2 for all others; this includes the QLine & the Detroit People Mover.